Home / 5,605.16-8,408.76-2,318.50

Finding the Fourth Proportional to 5,605.16, 8,408.76 and 2,318.50

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Solution

The fourth proportional to 5,605.16, 8,408.76 and 2,318.50 is: 3,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.16 : 8,408.76 = 2,318.50 : x
  2. Step 2: Convert to fraction form
    5,605.16/8,408.76 = 2,318.50/x
  3. Step 3: Cross multiply
    5,605.16x = 8,408.76 × 2,318.50
  4. Step 4: Simplify right side
    5,605.16x = 19,495,747.14
  5. Step 5: Solve for x
    x = 19,495,747.14/5,605.16
  6. Step 6: Final answer
    x = 3,478.18

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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.