Home / 8,864.10-13,296.63-3,318.90

Finding the Fourth Proportional to 8,864.10, 13,296.63 and 3,318.90

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Solution

The fourth proportional to 8,864.10, 13,296.63 and 3,318.90 is: 4,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.10 : 13,296.63 = 3,318.90 : x
  2. Step 2: Convert to fraction form
    8,864.10/13,296.63 = 3,318.90/x
  3. Step 3: Cross multiply
    8,864.10x = 13,296.63 × 3,318.90
  4. Step 4: Simplify right side
    8,864.10x = 44,130,185.31
  5. Step 5: Solve for x
    x = 44,130,185.31/8,864.10
  6. Step 6: Final answer
    x = 4,978.53

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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.