Home / 4,605.33-6,909.15-1,318.68

Finding the Fourth Proportional to 4,605.33, 6,909.15 and 1,318.68

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Solution

The fourth proportional to 4,605.33, 6,909.15 and 1,318.68 is: 1,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.33 : 6,909.15 = 1,318.68 : x
  2. Step 2: Convert to fraction form
    4,605.33/6,909.15 = 1,318.68/x
  3. Step 3: Cross multiply
    4,605.33x = 6,909.15 × 1,318.68
  4. Step 4: Simplify right side
    4,605.33x = 9,110,957.92
  5. Step 5: Solve for x
    x = 9,110,957.92/4,605.33
  6. Step 6: Final answer
    x = 1,978.35

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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.