Home / 4,707.20-7,061.28-1,244.72

Finding the Fourth Proportional to 4,707.20, 7,061.28 and 1,244.72

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Solution

The fourth proportional to 4,707.20, 7,061.28 and 1,244.72 is: 1,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.20 : 7,061.28 = 1,244.72 : x
  2. Step 2: Convert to fraction form
    4,707.20/7,061.28 = 1,244.72/x
  3. Step 3: Cross multiply
    4,707.20x = 7,061.28 × 1,244.72
  4. Step 4: Simplify right side
    4,707.20x = 8,789,316.44
  5. Step 5: Solve for x
    x = 8,789,316.44/4,707.20
  6. Step 6: Final answer
    x = 1,867.21

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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.