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Finding the Fourth Proportional to 6,384.60, 9,578.42 and 3,264.48

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Solution

The fourth proportional to 6,384.60, 9,578.42 and 3,264.48 is: 4,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.60 : 9,578.42 = 3,264.48 : x
  2. Step 2: Convert to fraction form
    6,384.60/9,578.42 = 3,264.48/x
  3. Step 3: Cross multiply
    6,384.60x = 9,578.42 × 3,264.48
  4. Step 4: Simplify right side
    6,384.60x = 31,268,560.52
  5. Step 5: Solve for x
    x = 31,268,560.52/6,384.60
  6. Step 6: Final answer
    x = 4,897.50

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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.