Home / 8,986.25-12,400.85-5,007.27

Finding the Fourth Proportional to 8,986.25, 12,400.85 and 5,007.27

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Solution

The fourth proportional to 8,986.25, 12,400.85 and 5,007.27 is: 6,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.25 : 12,400.85 = 5,007.27 : x
  2. Step 2: Convert to fraction form
    8,986.25/12,400.85 = 5,007.27/x
  3. Step 3: Cross multiply
    8,986.25x = 12,400.85 × 5,007.27
  4. Step 4: Simplify right side
    8,986.25x = 62,094,397.92
  5. Step 5: Solve for x
    x = 62,094,397.92/8,986.25
  6. Step 6: Final answer
    x = 6,909.94

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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.