Home / 4,720.17-7,079.45-1,432.47

Finding the Fourth Proportional to 4,720.17, 7,079.45 and 1,432.47

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Solution

The fourth proportional to 4,720.17, 7,079.45 and 1,432.47 is: 2,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.17 : 7,079.45 = 1,432.47 : x
  2. Step 2: Convert to fraction form
    4,720.17/7,079.45 = 1,432.47/x
  3. Step 3: Cross multiply
    4,720.17x = 7,079.45 × 1,432.47
  4. Step 4: Simplify right side
    4,720.17x = 10,141,099.74
  5. Step 5: Solve for x
    x = 10,141,099.74/4,720.17
  6. Step 6: Final answer
    x = 2,148.46

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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.