Home / 9,679.10-14,499.45-5,771.90

Finding the Fourth Proportional to 9,679.10, 14,499.45 and 5,771.90

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Solution

The fourth proportional to 9,679.10, 14,499.45 and 5,771.90 is: 8,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.10 : 14,499.45 = 5,771.90 : x
  2. Step 2: Convert to fraction form
    9,679.10/14,499.45 = 5,771.90/x
  3. Step 3: Cross multiply
    9,679.10x = 14,499.45 × 5,771.90
  4. Step 4: Simplify right side
    9,679.10x = 83,689,375.46
  5. Step 5: Solve for x
    x = 83,689,375.46/9,679.10
  6. Step 6: Final answer
    x = 8,646.40

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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.