Home / 6,240.36-8,611.38-3,445.32

Finding the Fourth Proportional to 6,240.36, 8,611.38 and 3,445.32

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Solution

The fourth proportional to 6,240.36, 8,611.38 and 3,445.32 is: 4,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.36 : 8,611.38 = 3,445.32 : x
  2. Step 2: Convert to fraction form
    6,240.36/8,611.38 = 3,445.32/x
  3. Step 3: Cross multiply
    6,240.36x = 8,611.38 × 3,445.32
  4. Step 4: Simplify right side
    6,240.36x = 29,668,959.74
  5. Step 5: Solve for x
    x = 29,668,959.74/6,240.36
  6. Step 6: Final answer
    x = 4,754.37

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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.