Home / 5,345.38-8,013.75-2,227.74

Finding the Fourth Proportional to 5,345.38, 8,013.75 and 2,227.74

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Solution

The fourth proportional to 5,345.38, 8,013.75 and 2,227.74 is: 3,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.38 : 8,013.75 = 2,227.74 : x
  2. Step 2: Convert to fraction form
    5,345.38/8,013.75 = 2,227.74/x
  3. Step 3: Cross multiply
    5,345.38x = 8,013.75 × 2,227.74
  4. Step 4: Simplify right side
    5,345.38x = 17,852,500.22
  5. Step 5: Solve for x
    x = 17,852,500.22/5,345.38
  6. Step 6: Final answer
    x = 3,339.80

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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.