Home / 8,881.20-13,320.54-3,036.96

Finding the Fourth Proportional to 8,881.20, 13,320.54 and 3,036.96

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Solution

The fourth proportional to 8,881.20, 13,320.54 and 3,036.96 is: 4,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.20 : 13,320.54 = 3,036.96 : x
  2. Step 2: Convert to fraction form
    8,881.20/13,320.54 = 3,036.96/x
  3. Step 3: Cross multiply
    8,881.20x = 13,320.54 × 3,036.96
  4. Step 4: Simplify right side
    8,881.20x = 40,453,947.16
  5. Step 5: Solve for x
    x = 40,453,947.16/8,881.20
  6. Step 6: Final answer
    x = 4,555.01

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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.