Home / 8,283.26-12,421.24-4,386.76

Finding the Fourth Proportional to 8,283.26, 12,421.24 and 4,386.76

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Solution

The fourth proportional to 8,283.26, 12,421.24 and 4,386.76 is: 6,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.26 : 12,421.24 = 4,386.76 : x
  2. Step 2: Convert to fraction form
    8,283.26/12,421.24 = 4,386.76/x
  3. Step 3: Cross multiply
    8,283.26x = 12,421.24 × 4,386.76
  4. Step 4: Simplify right side
    8,283.26x = 54,488,998.78
  5. Step 5: Solve for x
    x = 54,488,998.78/8,283.26
  6. Step 6: Final answer
    x = 6,578.21

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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.