Home / 7,318.28-10,979.10-4,029.68

Finding the Fourth Proportional to 7,318.28, 10,979.10 and 4,029.68

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Solution

The fourth proportional to 7,318.28, 10,979.10 and 4,029.68 is: 6,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.28 : 10,979.10 = 4,029.68 : x
  2. Step 2: Convert to fraction form
    7,318.28/10,979.10 = 4,029.68/x
  3. Step 3: Cross multiply
    7,318.28x = 10,979.10 × 4,029.68
  4. Step 4: Simplify right side
    7,318.28x = 44,242,259.69
  5. Step 5: Solve for x
    x = 44,242,259.69/7,318.28
  6. Step 6: Final answer
    x = 6,045.45

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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.