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Finding the Fourth Proportional to 6,545.92, 9,818.80 and 1,928.92

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Solution

The fourth proportional to 6,545.92, 9,818.80 and 1,928.92 is: 2,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.92 : 9,818.80 = 1,928.92 : x
  2. Step 2: Convert to fraction form
    6,545.92/9,818.80 = 1,928.92/x
  3. Step 3: Cross multiply
    6,545.92x = 9,818.80 × 1,928.92
  4. Step 4: Simplify right side
    6,545.92x = 18,939,679.70
  5. Step 5: Solve for x
    x = 18,939,679.70/6,545.92
  6. Step 6: Final answer
    x = 2,893.36

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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.