Home / 5,345.88-8,013.48-2,571.76

Finding the Fourth Proportional to 5,345.88, 8,013.48 and 2,571.76

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Solution

The fourth proportional to 5,345.88, 8,013.48 and 2,571.76 is: 3,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.88 : 8,013.48 = 2,571.76 : x
  2. Step 2: Convert to fraction form
    5,345.88/8,013.48 = 2,571.76/x
  3. Step 3: Cross multiply
    5,345.88x = 8,013.48 × 2,571.76
  4. Step 4: Simplify right side
    5,345.88x = 20,608,747.32
  5. Step 5: Solve for x
    x = 20,608,747.32/5,345.88
  6. Step 6: Final answer
    x = 3,855.07

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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.