Home / 8,496.20-12,750.85-4,283.76

Finding the Fourth Proportional to 8,496.20, 12,750.85 and 4,283.76

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Solution

The fourth proportional to 8,496.20, 12,750.85 and 4,283.76 is: 6,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.20 : 12,750.85 = 4,283.76 : x
  2. Step 2: Convert to fraction form
    8,496.20/12,750.85 = 4,283.76/x
  3. Step 3: Cross multiply
    8,496.20x = 12,750.85 × 4,283.76
  4. Step 4: Simplify right side
    8,496.20x = 54,621,496.02
  5. Step 5: Solve for x
    x = 54,621,496.02/8,496.20
  6. Step 6: Final answer
    x = 6,428.93

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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.