Home / 8,156.74-11,257.21-4,572.28

Finding the Fourth Proportional to 8,156.74, 11,257.21 and 4,572.28

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Solution

The fourth proportional to 8,156.74, 11,257.21 and 4,572.28 is: 6,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.74 : 11,257.21 = 4,572.28 : x
  2. Step 2: Convert to fraction form
    8,156.74/11,257.21 = 4,572.28/x
  3. Step 3: Cross multiply
    8,156.74x = 11,257.21 × 4,572.28
  4. Step 4: Simplify right side
    8,156.74x = 51,471,116.14
  5. Step 5: Solve for x
    x = 51,471,116.14/8,156.74
  6. Step 6: Final answer
    x = 6,310.26

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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.