Home / 4,287.27-6,430.84-1,365.53

Finding the Fourth Proportional to 4,287.27, 6,430.84 and 1,365.53

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Solution

The fourth proportional to 4,287.27, 6,430.84 and 1,365.53 is: 2,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.27 : 6,430.84 = 1,365.53 : x
  2. Step 2: Convert to fraction form
    4,287.27/6,430.84 = 1,365.53/x
  3. Step 3: Cross multiply
    4,287.27x = 6,430.84 × 1,365.53
  4. Step 4: Simplify right side
    4,287.27x = 8,781,517.61
  5. Step 5: Solve for x
    x = 8,781,517.61/4,287.27
  6. Step 6: Final answer
    x = 2,048.28

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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.