Home / 5,280.68-7,288.02-3,042.65

Finding the Fourth Proportional to 5,280.68, 7,288.02 and 3,042.65

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Solution

The fourth proportional to 5,280.68, 7,288.02 and 3,042.65 is: 4,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.68 : 7,288.02 = 3,042.65 : x
  2. Step 2: Convert to fraction form
    5,280.68/7,288.02 = 3,042.65/x
  3. Step 3: Cross multiply
    5,280.68x = 7,288.02 × 3,042.65
  4. Step 4: Simplify right side
    5,280.68x = 22,174,857.61
  5. Step 5: Solve for x
    x = 22,174,857.61/5,280.68
  6. Step 6: Final answer
    x = 4,199.25

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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.