Home / 8,528.24-12,787.08-3,328

Finding the Fourth Proportional to 8,528.24, 12,787.08 and 3,328

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Solution

The fourth proportional to 8,528.24, 12,787.08 and 3,328 is: 4,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.24 : 12,787.08 = 3,328 : x
  2. Step 2: Convert to fraction form
    8,528.24/12,787.08 = 3,328/x
  3. Step 3: Cross multiply
    8,528.24x = 12,787.08 × 3,328
  4. Step 4: Simplify right side
    8,528.24x = 42,555,402.24
  5. Step 5: Solve for x
    x = 42,555,402.24/8,528.24
  6. Step 6: Final answer
    x = 4,989.94

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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.