Home / 6,473.20-9,710.76-2,089.20

Finding the Fourth Proportional to 6,473.20, 9,710.76 and 2,089.20

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Solution

The fourth proportional to 6,473.20, 9,710.76 and 2,089.20 is: 3,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473.20 : 9,710.76 = 2,089.20 : x
  2. Step 2: Convert to fraction form
    6,473.20/9,710.76 = 2,089.20/x
  3. Step 3: Cross multiply
    6,473.20x = 9,710.76 × 2,089.20
  4. Step 4: Simplify right side
    6,473.20x = 20,287,719.79
  5. Step 5: Solve for x
    x = 20,287,719.79/6,473.20
  6. Step 6: Final answer
    x = 3,134.11

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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.