Home / 8,118.52-12,176.16-2,570.92

Finding the Fourth Proportional to 8,118.52, 12,176.16 and 2,570.92

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Solution

The fourth proportional to 8,118.52, 12,176.16 and 2,570.92 is: 3,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.52 : 12,176.16 = 2,570.92 : x
  2. Step 2: Convert to fraction form
    8,118.52/12,176.16 = 2,570.92/x
  3. Step 3: Cross multiply
    8,118.52x = 12,176.16 × 2,570.92
  4. Step 4: Simplify right side
    8,118.52x = 31,303,933.27
  5. Step 5: Solve for x
    x = 31,303,933.27/8,118.52
  6. Step 6: Final answer
    x = 3,855.87

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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.