Home / 5,318.17-7,977.19-2,394.40

Finding the Fourth Proportional to 5,318.17, 7,977.19 and 2,394.40

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Solution

The fourth proportional to 5,318.17, 7,977.19 and 2,394.40 is: 3,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.17 : 7,977.19 = 2,394.40 : x
  2. Step 2: Convert to fraction form
    5,318.17/7,977.19 = 2,394.40/x
  3. Step 3: Cross multiply
    5,318.17x = 7,977.19 × 2,394.40
  4. Step 4: Simplify right side
    5,318.17x = 19,100,583.74
  5. Step 5: Solve for x
    x = 19,100,583.74/5,318.17
  6. Step 6: Final answer
    x = 3,591.57

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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.