Home / 7,541.40-11,309.39-2,609.70

Finding the Fourth Proportional to 7,541.40, 11,309.39 and 2,609.70

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Solution

The fourth proportional to 7,541.40, 11,309.39 and 2,609.70 is: 3,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.40 : 11,309.39 = 2,609.70 : x
  2. Step 2: Convert to fraction form
    7,541.40/11,309.39 = 2,609.70/x
  3. Step 3: Cross multiply
    7,541.40x = 11,309.39 × 2,609.70
  4. Step 4: Simplify right side
    7,541.40x = 29,514,115.08
  5. Step 5: Solve for x
    x = 29,514,115.08/7,541.40
  6. Step 6: Final answer
    x = 3,913.61

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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.