Home / 7,822.17-11,724.98-3,658.68

Finding the Fourth Proportional to 7,822.17, 11,724.98 and 3,658.68

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Solution

The fourth proportional to 7,822.17, 11,724.98 and 3,658.68 is: 5,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.17 : 11,724.98 = 3,658.68 : x
  2. Step 2: Convert to fraction form
    7,822.17/11,724.98 = 3,658.68/x
  3. Step 3: Cross multiply
    7,822.17x = 11,724.98 × 3,658.68
  4. Step 4: Simplify right side
    7,822.17x = 42,897,931.53
  5. Step 5: Solve for x
    x = 42,897,931.53/7,822.17
  6. Step 6: Final answer
    x = 5,484.15

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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.