Home / 5,345.52-8,018.28-2,571.28

Finding the Fourth Proportional to 5,345.52, 8,018.28 and 2,571.28

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Solution

The fourth proportional to 5,345.52, 8,018.28 and 2,571.28 is: 3,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.52 : 8,018.28 = 2,571.28 : x
  2. Step 2: Convert to fraction form
    5,345.52/8,018.28 = 2,571.28/x
  3. Step 3: Cross multiply
    5,345.52x = 8,018.28 × 2,571.28
  4. Step 4: Simplify right side
    5,345.52x = 20,617,243.00
  5. Step 5: Solve for x
    x = 20,617,243.00/5,345.52
  6. Step 6: Final answer
    x = 3,856.92

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Similar ratio
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1.5x scale

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.