Home / 8,140.23-12,211.16-2,296.89

Finding the Fourth Proportional to 8,140.23, 12,211.16 and 2,296.89

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Solution

The fourth proportional to 8,140.23, 12,211.16 and 2,296.89 is: 3,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.23 : 12,211.16 = 2,296.89 : x
  2. Step 2: Convert to fraction form
    8,140.23/12,211.16 = 2,296.89/x
  3. Step 3: Cross multiply
    8,140.23x = 12,211.16 × 2,296.89
  4. Step 4: Simplify right side
    8,140.23x = 28,047,679.81
  5. Step 5: Solve for x
    x = 28,047,679.81/8,140.23
  6. Step 6: Final answer
    x = 3,445.56

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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.