Home / 6,651.20-9,177.95-3,666.86

Finding the Fourth Proportional to 6,651.20, 9,177.95 and 3,666.86

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Solution

The fourth proportional to 6,651.20, 9,177.95 and 3,666.86 is: 5,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.20 : 9,177.95 = 3,666.86 : x
  2. Step 2: Convert to fraction form
    6,651.20/9,177.95 = 3,666.86/x
  3. Step 3: Cross multiply
    6,651.20x = 9,177.95 × 3,666.86
  4. Step 4: Simplify right side
    6,651.20x = 33,654,193.51
  5. Step 5: Solve for x
    x = 33,654,193.51/6,651.20
  6. Step 6: Final answer
    x = 5,059.87

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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.