Home / 6,139.85-9,208.18-1,756.28

Finding the Fourth Proportional to 6,139.85, 9,208.18 and 1,756.28

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Solution

The fourth proportional to 6,139.85, 9,208.18 and 1,756.28 is: 2,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.85 : 9,208.18 = 1,756.28 : x
  2. Step 2: Convert to fraction form
    6,139.85/9,208.18 = 1,756.28/x
  3. Step 3: Cross multiply
    6,139.85x = 9,208.18 × 1,756.28
  4. Step 4: Simplify right side
    6,139.85x = 16,172,167.59
  5. Step 5: Solve for x
    x = 16,172,167.59/6,139.85
  6. Step 6: Final answer
    x = 2,633.97

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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.