Home / 7,280.73-10,899.59-4,934.61

Finding the Fourth Proportional to 7,280.73, 10,899.59 and 4,934.61

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Solution

The fourth proportional to 7,280.73, 10,899.59 and 4,934.61 is: 7,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.73 : 10,899.59 = 4,934.61 : x
  2. Step 2: Convert to fraction form
    7,280.73/10,899.59 = 4,934.61/x
  3. Step 3: Cross multiply
    7,280.73x = 10,899.59 × 4,934.61
  4. Step 4: Simplify right side
    7,280.73x = 53,785,201.14
  5. Step 5: Solve for x
    x = 53,785,201.14/7,280.73
  6. Step 6: Final answer
    x = 7,387.34

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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.