Home / 4,802.80-7,204.96-1,515.28

Finding the Fourth Proportional to 4,802.80, 7,204.96 and 1,515.28

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Solution

The fourth proportional to 4,802.80, 7,204.96 and 1,515.28 is: 2,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.80 : 7,204.96 = 1,515.28 : x
  2. Step 2: Convert to fraction form
    4,802.80/7,204.96 = 1,515.28/x
  3. Step 3: Cross multiply
    4,802.80x = 7,204.96 × 1,515.28
  4. Step 4: Simplify right side
    4,802.80x = 10,917,531.79
  5. Step 5: Solve for x
    x = 10,917,531.79/4,802.80
  6. Step 6: Final answer
    x = 2,273.16

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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.