Home / 6,189.86-8,545.33-4,780.84

Finding the Fourth Proportional to 6,189.86, 8,545.33 and 4,780.84

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Solution

The fourth proportional to 6,189.86, 8,545.33 and 4,780.84 is: 6,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.86 : 8,545.33 = 4,780.84 : x
  2. Step 2: Convert to fraction form
    6,189.86/8,545.33 = 4,780.84/x
  3. Step 3: Cross multiply
    6,189.86x = 8,545.33 × 4,780.84
  4. Step 4: Simplify right side
    6,189.86x = 40,853,876.84
  5. Step 5: Solve for x
    x = 40,853,876.84/6,189.86
  6. Step 6: Final answer
    x = 6,600.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.