Home / 8,145.28-12,217.93-2,598.65

Finding the Fourth Proportional to 8,145.28, 12,217.93 and 2,598.65

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Solution

The fourth proportional to 8,145.28, 12,217.93 and 2,598.65 is: 3,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.28 : 12,217.93 = 2,598.65 : x
  2. Step 2: Convert to fraction form
    8,145.28/12,217.93 = 2,598.65/x
  3. Step 3: Cross multiply
    8,145.28x = 12,217.93 × 2,598.65
  4. Step 4: Simplify right side
    8,145.28x = 31,750,123.79
  5. Step 5: Solve for x
    x = 31,750,123.79/8,145.28
  6. Step 6: Final answer
    x = 3,897.98

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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.