Home / 8,582.29-12,868.42-3,649.39

Finding the Fourth Proportional to 8,582.29, 12,868.42 and 3,649.39

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Solution

The fourth proportional to 8,582.29, 12,868.42 and 3,649.39 is: 5,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.29 : 12,868.42 = 3,649.39 : x
  2. Step 2: Convert to fraction form
    8,582.29/12,868.42 = 3,649.39/x
  3. Step 3: Cross multiply
    8,582.29x = 12,868.42 × 3,649.39
  4. Step 4: Simplify right side
    8,582.29x = 46,961,848.81
  5. Step 5: Solve for x
    x = 46,961,848.81/8,582.29
  6. Step 6: Final answer
    x = 5,471.95

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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.