Home / 8,247.41-12,354.63-4,958.70

Finding the Fourth Proportional to 8,247.41, 12,354.63 and 4,958.70

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Solution

The fourth proportional to 8,247.41, 12,354.63 and 4,958.70 is: 7,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.41 : 12,354.63 = 4,958.70 : x
  2. Step 2: Convert to fraction form
    8,247.41/12,354.63 = 4,958.70/x
  3. Step 3: Cross multiply
    8,247.41x = 12,354.63 × 4,958.70
  4. Step 4: Simplify right side
    8,247.41x = 61,262,903.78
  5. Step 5: Solve for x
    x = 61,262,903.78/8,247.41
  6. Step 6: Final answer
    x = 7,428.14

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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.