Home / 4,411.20-6,615.36-1,332.48

Finding the Fourth Proportional to 4,411.20, 6,615.36 and 1,332.48

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Solution

The fourth proportional to 4,411.20, 6,615.36 and 1,332.48 is: 1,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.20 : 6,615.36 = 1,332.48 : x
  2. Step 2: Convert to fraction form
    4,411.20/6,615.36 = 1,332.48/x
  3. Step 3: Cross multiply
    4,411.20x = 6,615.36 × 1,332.48
  4. Step 4: Simplify right side
    4,411.20x = 8,814,834.89
  5. Step 5: Solve for x
    x = 8,814,834.89/4,411.20
  6. Step 6: Final answer
    x = 1,998.29

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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.