Home / 8,565.51-12,849.73-2,942.91

Finding the Fourth Proportional to 8,565.51, 12,849.73 and 2,942.91

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Solution

The fourth proportional to 8,565.51, 12,849.73 and 2,942.91 is: 4,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.51 : 12,849.73 = 2,942.91 : x
  2. Step 2: Convert to fraction form
    8,565.51/12,849.73 = 2,942.91/x
  3. Step 3: Cross multiply
    8,565.51x = 12,849.73 × 2,942.91
  4. Step 4: Simplify right side
    8,565.51x = 37,815,598.91
  5. Step 5: Solve for x
    x = 37,815,598.91/8,565.51
  6. Step 6: Final answer
    x = 4,414.87

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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.