Home / 7,318.12-10,979.62-4,862.60

Finding the Fourth Proportional to 7,318.12, 10,979.62 and 4,862.60

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Solution

The fourth proportional to 7,318.12, 10,979.62 and 4,862.60 is: 7,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.12 : 10,979.62 = 4,862.60 : x
  2. Step 2: Convert to fraction form
    7,318.12/10,979.62 = 4,862.60/x
  3. Step 3: Cross multiply
    7,318.12x = 10,979.62 × 4,862.60
  4. Step 4: Simplify right side
    7,318.12x = 53,389,500.21
  5. Step 5: Solve for x
    x = 53,389,500.21/7,318.12
  6. Step 6: Final answer
    x = 7,295.52

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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.