Home / 8,299.08-11,456.28-5,156.28

Finding the Fourth Proportional to 8,299.08, 11,456.28 and 5,156.28

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Solution

The fourth proportional to 8,299.08, 11,456.28 and 5,156.28 is: 7,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.08 : 11,456.28 = 5,156.28 : x
  2. Step 2: Convert to fraction form
    8,299.08/11,456.28 = 5,156.28/x
  3. Step 3: Cross multiply
    8,299.08x = 11,456.28 × 5,156.28
  4. Step 4: Simplify right side
    8,299.08x = 59,071,787.44
  5. Step 5: Solve for x
    x = 59,071,787.44/8,299.08
  6. Step 6: Final answer
    x = 7,117.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.