Home / 5,497.38-8,250.16-3,420.40

Finding the Fourth Proportional to 5,497.38, 8,250.16 and 3,420.40

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Solution

The fourth proportional to 5,497.38, 8,250.16 and 3,420.40 is: 5,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.38 : 8,250.16 = 3,420.40 : x
  2. Step 2: Convert to fraction form
    5,497.38/8,250.16 = 3,420.40/x
  3. Step 3: Cross multiply
    5,497.38x = 8,250.16 × 3,420.40
  4. Step 4: Simplify right side
    5,497.38x = 28,218,847.26
  5. Step 5: Solve for x
    x = 28,218,847.26/5,497.38
  6. Step 6: Final answer
    x = 5,133.14

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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.