Home / 8,424.67-12,632.53-2,579.71

Finding the Fourth Proportional to 8,424.67, 12,632.53 and 2,579.71

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Solution

The fourth proportional to 8,424.67, 12,632.53 and 2,579.71 is: 3,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.67 : 12,632.53 = 2,579.71 : x
  2. Step 2: Convert to fraction form
    8,424.67/12,632.53 = 2,579.71/x
  3. Step 3: Cross multiply
    8,424.67x = 12,632.53 × 2,579.71
  4. Step 4: Simplify right side
    8,424.67x = 32,588,263.97
  5. Step 5: Solve for x
    x = 32,588,263.97/8,424.67
  6. Step 6: Final answer
    x = 3,868.19

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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.