Home / 8,884.55-13,327.53-5,187.15

Finding the Fourth Proportional to 8,884.55, 13,327.53 and 5,187.15

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Solution

The fourth proportional to 8,884.55, 13,327.53 and 5,187.15 is: 7,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.55 : 13,327.53 = 5,187.15 : x
  2. Step 2: Convert to fraction form
    8,884.55/13,327.53 = 5,187.15/x
  3. Step 3: Cross multiply
    8,884.55x = 13,327.53 × 5,187.15
  4. Step 4: Simplify right side
    8,884.55x = 69,131,897.24
  5. Step 5: Solve for x
    x = 69,131,897.24/8,884.55
  6. Step 6: Final answer
    x = 7,781.14

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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.