Home / 9,317.76-13,979.64-3,475.20

Finding the Fourth Proportional to 9,317.76, 13,979.64 and 3,475.20

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Solution

The fourth proportional to 9,317.76, 13,979.64 and 3,475.20 is: 5,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.76 : 13,979.64 = 3,475.20 : x
  2. Step 2: Convert to fraction form
    9,317.76/13,979.64 = 3,475.20/x
  3. Step 3: Cross multiply
    9,317.76x = 13,979.64 × 3,475.20
  4. Step 4: Simplify right side
    9,317.76x = 48,582,044.93
  5. Step 5: Solve for x
    x = 48,582,044.93/9,317.76
  6. Step 6: Final answer
    x = 5,213.92

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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.