Home / 9,285.40-13,909.20-5,764.60

Finding the Fourth Proportional to 9,285.40, 13,909.20 and 5,764.60

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Solution

The fourth proportional to 9,285.40, 13,909.20 and 5,764.60 is: 8,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.40 : 13,909.20 = 5,764.60 : x
  2. Step 2: Convert to fraction form
    9,285.40/13,909.20 = 5,764.60/x
  3. Step 3: Cross multiply
    9,285.40x = 13,909.20 × 5,764.60
  4. Step 4: Simplify right side
    9,285.40x = 80,180,974.32
  5. Step 5: Solve for x
    x = 80,180,974.32/9,285.40
  6. Step 6: Final answer
    x = 8,635.17

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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.