Home / 5,345.31-8,015.91-2,226.79

Finding the Fourth Proportional to 5,345.31, 8,015.91 and 2,226.79

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Solution

The fourth proportional to 5,345.31, 8,015.91 and 2,226.79 is: 3,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.31 : 8,015.91 = 2,226.79 : x
  2. Step 2: Convert to fraction form
    5,345.31/8,015.91 = 2,226.79/x
  3. Step 3: Cross multiply
    5,345.31x = 8,015.91 × 2,226.79
  4. Step 4: Simplify right side
    5,345.31x = 17,849,748.23
  5. Step 5: Solve for x
    x = 17,849,748.23/5,345.31
  6. Step 6: Final answer
    x = 3,339.33

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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.