Home / 8,214.55-12,313.62-2,948.14

Finding the Fourth Proportional to 8,214.55, 12,313.62 and 2,948.14

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Solution

The fourth proportional to 8,214.55, 12,313.62 and 2,948.14 is: 4,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.55 : 12,313.62 = 2,948.14 : x
  2. Step 2: Convert to fraction form
    8,214.55/12,313.62 = 2,948.14/x
  3. Step 3: Cross multiply
    8,214.55x = 12,313.62 × 2,948.14
  4. Step 4: Simplify right side
    8,214.55x = 36,302,275.67
  5. Step 5: Solve for x
    x = 36,302,275.67/8,214.55
  6. Step 6: Final answer
    x = 4,419.27

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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.