Home / 8,742.60-13,111.20-2,502.12

Finding the Fourth Proportional to 8,742.60, 13,111.20 and 2,502.12

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Solution

The fourth proportional to 8,742.60, 13,111.20 and 2,502.12 is: 3,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.60 : 13,111.20 = 2,502.12 : x
  2. Step 2: Convert to fraction form
    8,742.60/13,111.20 = 2,502.12/x
  3. Step 3: Cross multiply
    8,742.60x = 13,111.20 × 2,502.12
  4. Step 4: Simplify right side
    8,742.60x = 32,805,795.74
  5. Step 5: Solve for x
    x = 32,805,795.74/8,742.60
  6. Step 6: Final answer
    x = 3,752.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.