Home / 9,086.86-13,630.29-5,008.78

Finding the Fourth Proportional to 9,086.86, 13,630.29 and 5,008.78

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Solution

The fourth proportional to 9,086.86, 13,630.29 and 5,008.78 is: 7,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.86 : 13,630.29 = 5,008.78 : x
  2. Step 2: Convert to fraction form
    9,086.86/13,630.29 = 5,008.78/x
  3. Step 3: Cross multiply
    9,086.86x = 13,630.29 × 5,008.78
  4. Step 4: Simplify right side
    9,086.86x = 68,271,123.95
  5. Step 5: Solve for x
    x = 68,271,123.95/9,086.86
  6. Step 6: Final answer
    x = 7,513.17

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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.