Home / 5,402.92-8,104.38-1,298.92

Finding the Fourth Proportional to 5,402.92, 8,104.38 and 1,298.92

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Solution

The fourth proportional to 5,402.92, 8,104.38 and 1,298.92 is: 1,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.92 : 8,104.38 = 1,298.92 : x
  2. Step 2: Convert to fraction form
    5,402.92/8,104.38 = 1,298.92/x
  3. Step 3: Cross multiply
    5,402.92x = 8,104.38 × 1,298.92
  4. Step 4: Simplify right side
    5,402.92x = 10,526,941.27
  5. Step 5: Solve for x
    x = 10,526,941.27/5,402.92
  6. Step 6: Final answer
    x = 1,948.38

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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.