Home / 9,107.47-13,685.91-4,950.55

Finding the Fourth Proportional to 9,107.47, 13,685.91 and 4,950.55

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Solution

The fourth proportional to 9,107.47, 13,685.91 and 4,950.55 is: 7,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.47 : 13,685.91 = 4,950.55 : x
  2. Step 2: Convert to fraction form
    9,107.47/13,685.91 = 4,950.55/x
  3. Step 3: Cross multiply
    9,107.47x = 13,685.91 × 4,950.55
  4. Step 4: Simplify right side
    9,107.47x = 67,752,781.75
  5. Step 5: Solve for x
    x = 67,752,781.75/9,107.47
  6. Step 6: Final answer
    x = 7,439.25

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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.