Home / 6,456.20-8,901.78-4,965.80

Finding the Fourth Proportional to 6,456.20, 8,901.78 and 4,965.80

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Solution

The fourth proportional to 6,456.20, 8,901.78 and 4,965.80 is: 6,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.20 : 8,901.78 = 4,965.80 : x
  2. Step 2: Convert to fraction form
    6,456.20/8,901.78 = 4,965.80/x
  3. Step 3: Cross multiply
    6,456.20x = 8,901.78 × 4,965.80
  4. Step 4: Simplify right side
    6,456.20x = 44,204,459.12
  5. Step 5: Solve for x
    x = 44,204,459.12/6,456.20
  6. Step 6: Final answer
    x = 6,846.82

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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.