Home / 6,139.18-9,209.07-1,756.68

Finding the Fourth Proportional to 6,139.18, 9,209.07 and 1,756.68

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Solution

The fourth proportional to 6,139.18, 9,209.07 and 1,756.68 is: 2,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.18 : 9,209.07 = 1,756.68 : x
  2. Step 2: Convert to fraction form
    6,139.18/9,209.07 = 1,756.68/x
  3. Step 3: Cross multiply
    6,139.18x = 9,209.07 × 1,756.68
  4. Step 4: Simplify right side
    6,139.18x = 16,177,389.09
  5. Step 5: Solve for x
    x = 16,177,389.09/6,139.18
  6. Step 6: Final answer
    x = 2,635.11

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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.