Home / 7,660.74-11,488.89-3,498.54

Finding the Fourth Proportional to 7,660.74, 11,488.89 and 3,498.54

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Solution

The fourth proportional to 7,660.74, 11,488.89 and 3,498.54 is: 5,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.74 : 11,488.89 = 3,498.54 : x
  2. Step 2: Convert to fraction form
    7,660.74/11,488.89 = 3,498.54/x
  3. Step 3: Cross multiply
    7,660.74x = 11,488.89 × 3,498.54
  4. Step 4: Simplify right side
    7,660.74x = 40,194,341.22
  5. Step 5: Solve for x
    x = 40,194,341.22/7,660.74
  6. Step 6: Final answer
    x = 5,246.80

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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.