Home / 8,324.47-12,488.23-2,777.29

Finding the Fourth Proportional to 8,324.47, 12,488.23 and 2,777.29

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Solution

The fourth proportional to 8,324.47, 12,488.23 and 2,777.29 is: 4,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.47 : 12,488.23 = 2,777.29 : x
  2. Step 2: Convert to fraction form
    8,324.47/12,488.23 = 2,777.29/x
  3. Step 3: Cross multiply
    8,324.47x = 12,488.23 × 2,777.29
  4. Step 4: Simplify right side
    8,324.47x = 34,683,392.93
  5. Step 5: Solve for x
    x = 34,683,392.93/8,324.47
  6. Step 6: Final answer
    x = 4,166.44

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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.