Home / 8,403.27-12,592.53-7,480.59

Finding the Fourth Proportional to 8,403.27, 12,592.53 and 7,480.59

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Solution

The fourth proportional to 8,403.27, 12,592.53 and 7,480.59 is: 11,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.27 : 12,592.53 = 7,480.59 : x
  2. Step 2: Convert to fraction form
    8,403.27/12,592.53 = 7,480.59/x
  3. Step 3: Cross multiply
    8,403.27x = 12,592.53 × 7,480.59
  4. Step 4: Simplify right side
    8,403.27x = 94,199,553.99
  5. Step 5: Solve for x
    x = 94,199,553.99/8,403.27
  6. Step 6: Final answer
    x = 11,209.87

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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.