Home / 8,740.56-13,112.28-4,358.16

Finding the Fourth Proportional to 8,740.56, 13,112.28 and 4,358.16

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Solution

The fourth proportional to 8,740.56, 13,112.28 and 4,358.16 is: 6,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.56 : 13,112.28 = 4,358.16 : x
  2. Step 2: Convert to fraction form
    8,740.56/13,112.28 = 4,358.16/x
  3. Step 3: Cross multiply
    8,740.56x = 13,112.28 × 4,358.16
  4. Step 4: Simplify right side
    8,740.56x = 57,145,414.20
  5. Step 5: Solve for x
    x = 57,145,414.20/8,740.56
  6. Step 6: Final answer
    x = 6,537.96

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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.