Home / 4,318.49-6,478.03-1,155.89

Finding the Fourth Proportional to 4,318.49, 6,478.03 and 1,155.89

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Solution

The fourth proportional to 4,318.49, 6,478.03 and 1,155.89 is: 1,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.49 : 6,478.03 = 1,155.89 : x
  2. Step 2: Convert to fraction form
    4,318.49/6,478.03 = 1,155.89/x
  3. Step 3: Cross multiply
    4,318.49x = 6,478.03 × 1,155.89
  4. Step 4: Simplify right side
    4,318.49x = 7,487,890.10
  5. Step 5: Solve for x
    x = 7,487,890.10/4,318.49
  6. Step 6: Final answer
    x = 1,733.91

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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.