Home / 8,582.55-12,874.05-2,739.16

Finding the Fourth Proportional to 8,582.55, 12,874.05 and 2,739.16

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Solution

The fourth proportional to 8,582.55, 12,874.05 and 2,739.16 is: 4,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.55 : 12,874.05 = 2,739.16 : x
  2. Step 2: Convert to fraction form
    8,582.55/12,874.05 = 2,739.16/x
  3. Step 3: Cross multiply
    8,582.55x = 12,874.05 × 2,739.16
  4. Step 4: Simplify right side
    8,582.55x = 35,264,082.80
  5. Step 5: Solve for x
    x = 35,264,082.80/8,582.55
  6. Step 6: Final answer
    x = 4,108.81

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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.