Home / 6,887.45-10,331.19-5,670.02

Finding the Fourth Proportional to 6,887.45, 10,331.19 and 5,670.02

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Solution

The fourth proportional to 6,887.45, 10,331.19 and 5,670.02 is: 8,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.45 : 10,331.19 = 5,670.02 : x
  2. Step 2: Convert to fraction form
    6,887.45/10,331.19 = 5,670.02/x
  3. Step 3: Cross multiply
    6,887.45x = 10,331.19 × 5,670.02
  4. Step 4: Simplify right side
    6,887.45x = 58,578,079.75
  5. Step 5: Solve for x
    x = 58,578,079.75/6,887.45
  6. Step 6: Final answer
    x = 8,505.04

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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.