Home / 8,298.20-11,456.10-6,057.80

Finding the Fourth Proportional to 8,298.20, 11,456.10 and 6,057.80

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Solution

The fourth proportional to 8,298.20, 11,456.10 and 6,057.80 is: 8,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.20 : 11,456.10 = 6,057.80 : x
  2. Step 2: Convert to fraction form
    8,298.20/11,456.10 = 6,057.80/x
  3. Step 3: Cross multiply
    8,298.20x = 11,456.10 × 6,057.80
  4. Step 4: Simplify right side
    8,298.20x = 69,398,762.58
  5. Step 5: Solve for x
    x = 69,398,762.58/8,298.20
  6. Step 6: Final answer
    x = 8,363.11

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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.