Home / 5,279.96-7,913.56-2,506.12

Finding the Fourth Proportional to 5,279.96, 7,913.56 and 2,506.12

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Solution

The fourth proportional to 5,279.96, 7,913.56 and 2,506.12 is: 3,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.96 : 7,913.56 = 2,506.12 : x
  2. Step 2: Convert to fraction form
    5,279.96/7,913.56 = 2,506.12/x
  3. Step 3: Cross multiply
    5,279.96x = 7,913.56 × 2,506.12
  4. Step 4: Simplify right side
    5,279.96x = 19,832,330.99
  5. Step 5: Solve for x
    x = 19,832,330.99/5,279.96
  6. Step 6: Final answer
    x = 3,756.15

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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.