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Finding the Fourth Proportional to 4,589.76, 6,884.88 and 4,356.48

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Solution

The fourth proportional to 4,589.76, 6,884.88 and 4,356.48 is: 6,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.76 : 6,884.88 = 4,356.48 : x
  2. Step 2: Convert to fraction form
    4,589.76/6,884.88 = 4,356.48/x
  3. Step 3: Cross multiply
    4,589.76x = 6,884.88 × 4,356.48
  4. Step 4: Simplify right side
    4,589.76x = 29,993,842.02
  5. Step 5: Solve for x
    x = 29,993,842.02/4,589.76
  6. Step 6: Final answer
    x = 6,534.95

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1.5x scale

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.