Home / 8,677.90-13,004.55-6,343.28

Finding the Fourth Proportional to 8,677.90, 13,004.55 and 6,343.28

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Solution

The fourth proportional to 8,677.90, 13,004.55 and 6,343.28 is: 9,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.90 : 13,004.55 = 6,343.28 : x
  2. Step 2: Convert to fraction form
    8,677.90/13,004.55 = 6,343.28/x
  3. Step 3: Cross multiply
    8,677.90x = 13,004.55 × 6,343.28
  4. Step 4: Simplify right side
    8,677.90x = 82,491,485.67
  5. Step 5: Solve for x
    x = 82,491,485.67/8,677.90
  6. Step 6: Final answer
    x = 9,505.93

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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.