Home / 9,102.41-12,562.49-5,124.28

Finding the Fourth Proportional to 9,102.41, 12,562.49 and 5,124.28

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Solution

The fourth proportional to 9,102.41, 12,562.49 and 5,124.28 is: 7,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.41 : 12,562.49 = 5,124.28 : x
  2. Step 2: Convert to fraction form
    9,102.41/12,562.49 = 5,124.28/x
  3. Step 3: Cross multiply
    9,102.41x = 12,562.49 × 5,124.28
  4. Step 4: Simplify right side
    9,102.41x = 64,373,716.26
  5. Step 5: Solve for x
    x = 64,373,716.26/9,102.41
  6. Step 6: Final answer
    x = 7,072.16

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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.