Home / 6,545.13-9,819.58-1,928.13

Finding the Fourth Proportional to 6,545.13, 9,819.58 and 1,928.13

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Solution

The fourth proportional to 6,545.13, 9,819.58 and 1,928.13 is: 2,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.13 : 9,819.58 = 1,928.13 : x
  2. Step 2: Convert to fraction form
    6,545.13/9,819.58 = 1,928.13/x
  3. Step 3: Cross multiply
    6,545.13x = 9,819.58 × 1,928.13
  4. Step 4: Simplify right side
    6,545.13x = 18,933,426.79
  5. Step 5: Solve for x
    x = 18,933,426.79/6,545.13
  6. Step 6: Final answer
    x = 2,892.75

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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.