Home / 5,398.12-8,090.68-2,472.40

Finding the Fourth Proportional to 5,398.12, 8,090.68 and 2,472.40

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Solution

The fourth proportional to 5,398.12, 8,090.68 and 2,472.40 is: 3,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.12 : 8,090.68 = 2,472.40 : x
  2. Step 2: Convert to fraction form
    5,398.12/8,090.68 = 2,472.40/x
  3. Step 3: Cross multiply
    5,398.12x = 8,090.68 × 2,472.40
  4. Step 4: Simplify right side
    5,398.12x = 20,003,397.23
  5. Step 5: Solve for x
    x = 20,003,397.23/5,398.12
  6. Step 6: Final answer
    x = 3,705.62

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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.