Home / 5,627.77-7,766.19-3,110.08

Finding the Fourth Proportional to 5,627.77, 7,766.19 and 3,110.08

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Solution

The fourth proportional to 5,627.77, 7,766.19 and 3,110.08 is: 4,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.77 : 7,766.19 = 3,110.08 : x
  2. Step 2: Convert to fraction form
    5,627.77/7,766.19 = 3,110.08/x
  3. Step 3: Cross multiply
    5,627.77x = 7,766.19 × 3,110.08
  4. Step 4: Simplify right side
    5,627.77x = 24,153,472.20
  5. Step 5: Solve for x
    x = 24,153,472.20/5,627.77
  6. Step 6: Final answer
    x = 4,291.84

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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.