Home / 6,600.47-9,105.19-4,081.77

Finding the Fourth Proportional to 6,600.47, 9,105.19 and 4,081.77

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Solution

The fourth proportional to 6,600.47, 9,105.19 and 4,081.77 is: 5,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.47 : 9,105.19 = 4,081.77 : x
  2. Step 2: Convert to fraction form
    6,600.47/9,105.19 = 4,081.77/x
  3. Step 3: Cross multiply
    6,600.47x = 9,105.19 × 4,081.77
  4. Step 4: Simplify right side
    6,600.47x = 37,165,291.39
  5. Step 5: Solve for x
    x = 37,165,291.39/6,600.47
  6. Step 6: Final answer
    x = 5,630.70

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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.