Home / 5,402.88-8,098.74-2,070.21

Finding the Fourth Proportional to 5,402.88, 8,098.74 and 2,070.21

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Solution

The fourth proportional to 5,402.88, 8,098.74 and 2,070.21 is: 3,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.88 : 8,098.74 = 2,070.21 : x
  2. Step 2: Convert to fraction form
    5,402.88/8,098.74 = 2,070.21/x
  3. Step 3: Cross multiply
    5,402.88x = 8,098.74 × 2,070.21
  4. Step 4: Simplify right side
    5,402.88x = 16,766,082.18
  5. Step 5: Solve for x
    x = 16,766,082.18/5,402.88
  6. Step 6: Final answer
    x = 3,103.18

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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.