Home / 6,139.14-9,208.70-1,756.59

Finding the Fourth Proportional to 6,139.14, 9,208.70 and 1,756.59

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Solution

The fourth proportional to 6,139.14, 9,208.70 and 1,756.59 is: 2,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.14 : 9,208.70 = 1,756.59 : x
  2. Step 2: Convert to fraction form
    6,139.14/9,208.70 = 1,756.59/x
  3. Step 3: Cross multiply
    6,139.14x = 9,208.70 × 1,756.59
  4. Step 4: Simplify right side
    6,139.14x = 16,175,901.55
  5. Step 5: Solve for x
    x = 16,175,901.55/6,139.14
  6. Step 6: Final answer
    x = 2,634.88

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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.