Home / 8,865.21-13,299.69-2,624.73

Finding the Fourth Proportional to 8,865.21, 13,299.69 and 2,624.73

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Solution

The fourth proportional to 8,865.21, 13,299.69 and 2,624.73 is: 3,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.21 : 13,299.69 = 2,624.73 : x
  2. Step 2: Convert to fraction form
    8,865.21/13,299.69 = 2,624.73/x
  3. Step 3: Cross multiply
    8,865.21x = 13,299.69 × 2,624.73
  4. Step 4: Simplify right side
    8,865.21x = 34,908,095.33
  5. Step 5: Solve for x
    x = 34,908,095.33/8,865.21
  6. Step 6: Final answer
    x = 3,937.65

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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.