Home / 9,171.48-13,750.32-4,490.04

Finding the Fourth Proportional to 9,171.48, 13,750.32 and 4,490.04

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Solution

The fourth proportional to 9,171.48, 13,750.32 and 4,490.04 is: 6,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.48 : 13,750.32 = 4,490.04 : x
  2. Step 2: Convert to fraction form
    9,171.48/13,750.32 = 4,490.04/x
  3. Step 3: Cross multiply
    9,171.48x = 13,750.32 × 4,490.04
  4. Step 4: Simplify right side
    9,171.48x = 61,739,486.81
  5. Step 5: Solve for x
    x = 61,739,486.81/9,171.48
  6. Step 6: Final answer
    x = 6,731.68

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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.