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Finding the Fourth Proportional to 5,935.47, 8,903.90 and 2,648.16

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Solution

The fourth proportional to 5,935.47, 8,903.90 and 2,648.16 is: 3,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.47 : 8,903.90 = 2,648.16 : x
  2. Step 2: Convert to fraction form
    5,935.47/8,903.90 = 2,648.16/x
  3. Step 3: Cross multiply
    5,935.47x = 8,903.90 × 2,648.16
  4. Step 4: Simplify right side
    5,935.47x = 23,578,951.82
  5. Step 5: Solve for x
    x = 23,578,951.82/5,935.47
  6. Step 6: Final answer
    x = 3,972.55

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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.