Home / 5,318.59-7,977.27-1,423.30

Finding the Fourth Proportional to 5,318.59, 7,977.27 and 1,423.30

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Solution

The fourth proportional to 5,318.59, 7,977.27 and 1,423.30 is: 2,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.59 : 7,977.27 = 1,423.30 : x
  2. Step 2: Convert to fraction form
    5,318.59/7,977.27 = 1,423.30/x
  3. Step 3: Cross multiply
    5,318.59x = 7,977.27 × 1,423.30
  4. Step 4: Simplify right side
    5,318.59x = 11,354,048.39
  5. Step 5: Solve for x
    x = 11,354,048.39/5,318.59
  6. Step 6: Final answer
    x = 2,134.79

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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.