Home / 5,312.98-7,972.79-3,338.52

Finding the Fourth Proportional to 5,312.98, 7,972.79 and 3,338.52

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Solution

The fourth proportional to 5,312.98, 7,972.79 and 3,338.52 is: 5,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.98 : 7,972.79 = 3,338.52 : x
  2. Step 2: Convert to fraction form
    5,312.98/7,972.79 = 3,338.52/x
  3. Step 3: Cross multiply
    5,312.98x = 7,972.79 × 3,338.52
  4. Step 4: Simplify right side
    5,312.98x = 26,617,335.91
  5. Step 5: Solve for x
    x = 26,617,335.91/5,312.98
  6. Step 6: Final answer
    x = 5,009.87

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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.