Home / 6,139.20-9,206.04-1,755.66

Finding the Fourth Proportional to 6,139.20, 9,206.04 and 1,755.66

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Solution

The fourth proportional to 6,139.20, 9,206.04 and 1,755.66 is: 2,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.20 : 9,206.04 = 1,755.66 : x
  2. Step 2: Convert to fraction form
    6,139.20/9,206.04 = 1,755.66/x
  3. Step 3: Cross multiply
    6,139.20x = 9,206.04 × 1,755.66
  4. Step 4: Simplify right side
    6,139.20x = 16,162,676.19
  5. Step 5: Solve for x
    x = 16,162,676.19/6,139.20
  6. Step 6: Final answer
    x = 2,632.70

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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.