Home / 8,541.08-12,813.60-3,347

Finding the Fourth Proportional to 8,541.08, 12,813.60 and 3,347

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Solution

The fourth proportional to 8,541.08, 12,813.60 and 3,347 is: 5,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.08 : 12,813.60 = 3,347 : x
  2. Step 2: Convert to fraction form
    8,541.08/12,813.60 = 3,347/x
  3. Step 3: Cross multiply
    8,541.08x = 12,813.60 × 3,347
  4. Step 4: Simplify right side
    8,541.08x = 42,887,119.20
  5. Step 5: Solve for x
    x = 42,887,119.20/8,541.08
  6. Step 6: Final answer
    x = 5,021.28

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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.