Home / 8,145.67-12,218.57-2,599.06

Finding the Fourth Proportional to 8,145.67, 12,218.57 and 2,599.06

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Solution

The fourth proportional to 8,145.67, 12,218.57 and 2,599.06 is: 3,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.67 : 12,218.57 = 2,599.06 : x
  2. Step 2: Convert to fraction form
    8,145.67/12,218.57 = 2,599.06/x
  3. Step 3: Cross multiply
    8,145.67x = 12,218.57 × 2,599.06
  4. Step 4: Simplify right side
    8,145.67x = 31,756,722.46
  5. Step 5: Solve for x
    x = 31,756,722.46/8,145.67
  6. Step 6: Final answer
    x = 3,898.60

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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.