Home / 4,979.18-7,470.03-1,691.75

Finding the Fourth Proportional to 4,979.18, 7,470.03 and 1,691.75

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Solution

The fourth proportional to 4,979.18, 7,470.03 and 1,691.75 is: 2,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.18 : 7,470.03 = 1,691.75 : x
  2. Step 2: Convert to fraction form
    4,979.18/7,470.03 = 1,691.75/x
  3. Step 3: Cross multiply
    4,979.18x = 7,470.03 × 1,691.75
  4. Step 4: Simplify right side
    4,979.18x = 12,637,423.25
  5. Step 5: Solve for x
    x = 12,637,423.25/4,979.18
  6. Step 6: Final answer
    x = 2,538.05

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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.