Home / 7,470.49-11,203.30-2,540.02

Finding the Fourth Proportional to 7,470.49, 11,203.30 and 2,540.02

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Solution

The fourth proportional to 7,470.49, 11,203.30 and 2,540.02 is: 3,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.49 : 11,203.30 = 2,540.02 : x
  2. Step 2: Convert to fraction form
    7,470.49/11,203.30 = 2,540.02/x
  3. Step 3: Cross multiply
    7,470.49x = 11,203.30 × 2,540.02
  4. Step 4: Simplify right side
    7,470.49x = 28,456,606.07
  5. Step 5: Solve for x
    x = 28,456,606.07/7,470.49
  6. Step 6: Final answer
    x = 3,809.20

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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.