Home / 9,677.20-14,519.90-5,289.53

Finding the Fourth Proportional to 9,677.20, 14,519.90 and 5,289.53

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Solution

The fourth proportional to 9,677.20, 14,519.90 and 5,289.53 is: 7,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.20 : 14,519.90 = 5,289.53 : x
  2. Step 2: Convert to fraction form
    9,677.20/14,519.90 = 5,289.53/x
  3. Step 3: Cross multiply
    9,677.20x = 14,519.90 × 5,289.53
  4. Step 4: Simplify right side
    9,677.20x = 76,803,390.92
  5. Step 5: Solve for x
    x = 76,803,390.92/9,677.20
  6. Step 6: Final answer
    x = 7,936.53

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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.