Home / 8,845.76-13,263.04-2,920.48

Finding the Fourth Proportional to 8,845.76, 13,263.04 and 2,920.48

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Solution

The fourth proportional to 8,845.76, 13,263.04 and 2,920.48 is: 4,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.76 : 13,263.04 = 2,920.48 : x
  2. Step 2: Convert to fraction form
    8,845.76/13,263.04 = 2,920.48/x
  3. Step 3: Cross multiply
    8,845.76x = 13,263.04 × 2,920.48
  4. Step 4: Simplify right side
    8,845.76x = 38,734,443.06
  5. Step 5: Solve for x
    x = 38,734,443.06/8,845.76
  6. Step 6: Final answer
    x = 4,378.87

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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.