Home / 5,312.22-7,964.81-2,972.47

Finding the Fourth Proportional to 5,312.22, 7,964.81 and 2,972.47

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Solution

The fourth proportional to 5,312.22, 7,964.81 and 2,972.47 is: 4,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.22 : 7,964.81 = 2,972.47 : x
  2. Step 2: Convert to fraction form
    5,312.22/7,964.81 = 2,972.47/x
  3. Step 3: Cross multiply
    5,312.22x = 7,964.81 × 2,972.47
  4. Step 4: Simplify right side
    5,312.22x = 23,675,158.78
  5. Step 5: Solve for x
    x = 23,675,158.78/5,312.22
  6. Step 6: Final answer
    x = 4,456.74

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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.