Home / 4,682.76-6,461.40-2,891.24

Finding the Fourth Proportional to 4,682.76, 6,461.40 and 2,891.24

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Solution

The fourth proportional to 4,682.76, 6,461.40 and 2,891.24 is: 3,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.76 : 6,461.40 = 2,891.24 : x
  2. Step 2: Convert to fraction form
    4,682.76/6,461.40 = 2,891.24/x
  3. Step 3: Cross multiply
    4,682.76x = 6,461.40 × 2,891.24
  4. Step 4: Simplify right side
    4,682.76x = 18,681,458.14
  5. Step 5: Solve for x
    x = 18,681,458.14/4,682.76
  6. Step 6: Final answer
    x = 3,989.41

Related Problems

Find fourth proportional to 2,341.38, 3,230.70 and 1,445.62
Half scale
Find fourth proportional to 9,365.52, 12,922.80 and 5,782.48
Double scale
Find fourth proportional to 4,683.76, 6,462.78 and 2,892.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.