Home / 7,470.28-11,205.02-2,275.76

Finding the Fourth Proportional to 7,470.28, 11,205.02 and 2,275.76

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Solution

The fourth proportional to 7,470.28, 11,205.02 and 2,275.76 is: 3,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.28 : 11,205.02 = 2,275.76 : x
  2. Step 2: Convert to fraction form
    7,470.28/11,205.02 = 2,275.76/x
  3. Step 3: Cross multiply
    7,470.28x = 11,205.02 × 2,275.76
  4. Step 4: Simplify right side
    7,470.28x = 25,499,936.32
  5. Step 5: Solve for x
    x = 25,499,936.32/7,470.28
  6. Step 6: Final answer
    x = 3,413.52

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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.