Home / 8,142.11-12,214.98-2,595.77

Finding the Fourth Proportional to 8,142.11, 12,214.98 and 2,595.77

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Solution

The fourth proportional to 8,142.11, 12,214.98 and 2,595.77 is: 3,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.11 : 12,214.98 = 2,595.77 : x
  2. Step 2: Convert to fraction form
    8,142.11/12,214.98 = 2,595.77/x
  3. Step 3: Cross multiply
    8,142.11x = 12,214.98 × 2,595.77
  4. Step 4: Simplify right side
    8,142.11x = 31,707,278.63
  5. Step 5: Solve for x
    x = 31,707,278.63/8,142.11
  6. Step 6: Final answer
    x = 3,894.23

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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.