Home / 6,139.38-9,210.60-2,854.80

Finding the Fourth Proportional to 6,139.38, 9,210.60 and 2,854.80

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Solution

The fourth proportional to 6,139.38, 9,210.60 and 2,854.80 is: 4,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.38 : 9,210.60 = 2,854.80 : x
  2. Step 2: Convert to fraction form
    6,139.38/9,210.60 = 2,854.80/x
  3. Step 3: Cross multiply
    6,139.38x = 9,210.60 × 2,854.80
  4. Step 4: Simplify right side
    6,139.38x = 26,294,420.88
  5. Step 5: Solve for x
    x = 26,294,420.88/6,139.38
  6. Step 6: Final answer
    x = 4,282.91

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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.