Home / 6,545.79-9,818.49-2,103.42

Finding the Fourth Proportional to 6,545.79, 9,818.49 and 2,103.42

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Solution

The fourth proportional to 6,545.79, 9,818.49 and 2,103.42 is: 3,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.79 : 9,818.49 = 2,103.42 : x
  2. Step 2: Convert to fraction form
    6,545.79/9,818.49 = 2,103.42/x
  3. Step 3: Cross multiply
    6,545.79x = 9,818.49 × 2,103.42
  4. Step 4: Simplify right side
    6,545.79x = 20,652,413.49
  5. Step 5: Solve for x
    x = 20,652,413.49/6,545.79
  6. Step 6: Final answer
    x = 3,155.07

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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.