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Finding the Fourth Proportional to 5,353.04, 8,019.84 and 3,507.92

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Solution

The fourth proportional to 5,353.04, 8,019.84 and 3,507.92 is: 5,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.04 : 8,019.84 = 3,507.92 : x
  2. Step 2: Convert to fraction form
    5,353.04/8,019.84 = 3,507.92/x
  3. Step 3: Cross multiply
    5,353.04x = 8,019.84 × 3,507.92
  4. Step 4: Simplify right side
    5,353.04x = 28,132,957.13
  5. Step 5: Solve for x
    x = 28,132,957.13/5,353.04
  6. Step 6: Final answer
    x = 5,255.51

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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.