Home / 7,470.02-11,205.66-2,275.91

Finding the Fourth Proportional to 7,470.02, 11,205.66 and 2,275.91

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Solution

The fourth proportional to 7,470.02, 11,205.66 and 2,275.91 is: 3,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.02 : 11,205.66 = 2,275.91 : x
  2. Step 2: Convert to fraction form
    7,470.02/11,205.66 = 2,275.91/x
  3. Step 3: Cross multiply
    7,470.02x = 11,205.66 × 2,275.91
  4. Step 4: Simplify right side
    7,470.02x = 25,503,073.65
  5. Step 5: Solve for x
    x = 25,503,073.65/7,470.02
  6. Step 6: Final answer
    x = 3,414.06

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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.