Home / 5,306.48-7,962.30-2,143.82

Finding the Fourth Proportional to 5,306.48, 7,962.30 and 2,143.82

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Solution

The fourth proportional to 5,306.48, 7,962.30 and 2,143.82 is: 3,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.48 : 7,962.30 = 2,143.82 : x
  2. Step 2: Convert to fraction form
    5,306.48/7,962.30 = 2,143.82/x
  3. Step 3: Cross multiply
    5,306.48x = 7,962.30 × 2,143.82
  4. Step 4: Simplify right side
    5,306.48x = 17,069,737.99
  5. Step 5: Solve for x
    x = 17,069,737.99/5,306.48
  6. Step 6: Final answer
    x = 3,216.77

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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.