Home / 6,139.38-9,208.86-1,756.84

Finding the Fourth Proportional to 6,139.38, 9,208.86 and 1,756.84

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Solution

The fourth proportional to 6,139.38, 9,208.86 and 1,756.84 is: 2,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.38 : 9,208.86 = 1,756.84 : x
  2. Step 2: Convert to fraction form
    6,139.38/9,208.86 = 1,756.84/x
  3. Step 3: Cross multiply
    6,139.38x = 9,208.86 × 1,756.84
  4. Step 4: Simplify right side
    6,139.38x = 16,178,493.60
  5. Step 5: Solve for x
    x = 16,178,493.60/6,139.38
  6. Step 6: Final answer
    x = 2,635.20

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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.