Home / 6,432.84-9,642.78-2,972.52

Finding the Fourth Proportional to 6,432.84, 9,642.78 and 2,972.52

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Solution

The fourth proportional to 6,432.84, 9,642.78 and 2,972.52 is: 4,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.84 : 9,642.78 = 2,972.52 : x
  2. Step 2: Convert to fraction form
    6,432.84/9,642.78 = 2,972.52/x
  3. Step 3: Cross multiply
    6,432.84x = 9,642.78 × 2,972.52
  4. Step 4: Simplify right side
    6,432.84x = 28,663,356.41
  5. Step 5: Solve for x
    x = 28,663,356.41/6,432.84
  6. Step 6: Final answer
    x = 4,455.79

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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.