Home / 6,740.20-10,110.30-6,221.80

Finding the Fourth Proportional to 6,740.20, 10,110.30 and 6,221.80

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Solution

The fourth proportional to 6,740.20, 10,110.30 and 6,221.80 is: 9,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.20 : 10,110.30 = 6,221.80 : x
  2. Step 2: Convert to fraction form
    6,740.20/10,110.30 = 6,221.80/x
  3. Step 3: Cross multiply
    6,740.20x = 10,110.30 × 6,221.80
  4. Step 4: Simplify right side
    6,740.20x = 62,904,264.54
  5. Step 5: Solve for x
    x = 62,904,264.54/6,740.20
  6. Step 6: Final answer
    x = 9,332.70

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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.