Home / 7,287.26-10,930.89-3,124.58

Finding the Fourth Proportional to 7,287.26, 10,930.89 and 3,124.58

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Solution

The fourth proportional to 7,287.26, 10,930.89 and 3,124.58 is: 4,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.26 : 10,930.89 = 3,124.58 : x
  2. Step 2: Convert to fraction form
    7,287.26/10,930.89 = 3,124.58/x
  3. Step 3: Cross multiply
    7,287.26x = 10,930.89 × 3,124.58
  4. Step 4: Simplify right side
    7,287.26x = 34,154,385.62
  5. Step 5: Solve for x
    x = 34,154,385.62/7,287.26
  6. Step 6: Final answer
    x = 4,686.87

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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.