Home / 9,078.12-13,617.30-4,397.16

Finding the Fourth Proportional to 9,078.12, 13,617.30 and 4,397.16

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Solution

The fourth proportional to 9,078.12, 13,617.30 and 4,397.16 is: 6,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.12 : 13,617.30 = 4,397.16 : x
  2. Step 2: Convert to fraction form
    9,078.12/13,617.30 = 4,397.16/x
  3. Step 3: Cross multiply
    9,078.12x = 13,617.30 × 4,397.16
  4. Step 4: Simplify right side
    9,078.12x = 59,877,446.87
  5. Step 5: Solve for x
    x = 59,877,446.87/9,078.12
  6. Step 6: Final answer
    x = 6,595.80

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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.