Home / 7,045.18-9,722.50-3,858.61

Finding the Fourth Proportional to 7,045.18, 9,722.50 and 3,858.61

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Solution

The fourth proportional to 7,045.18, 9,722.50 and 3,858.61 is: 5,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.18 : 9,722.50 = 3,858.61 : x
  2. Step 2: Convert to fraction form
    7,045.18/9,722.50 = 3,858.61/x
  3. Step 3: Cross multiply
    7,045.18x = 9,722.50 × 3,858.61
  4. Step 4: Simplify right side
    7,045.18x = 37,515,335.73
  5. Step 5: Solve for x
    x = 37,515,335.73/7,045.18
  6. Step 6: Final answer
    x = 5,324.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.