Home / 8,580.42-12,873.39-3,902.10

Finding the Fourth Proportional to 8,580.42, 12,873.39 and 3,902.10

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Solution

The fourth proportional to 8,580.42, 12,873.39 and 3,902.10 is: 5,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.42 : 12,873.39 = 3,902.10 : x
  2. Step 2: Convert to fraction form
    8,580.42/12,873.39 = 3,902.10/x
  3. Step 3: Cross multiply
    8,580.42x = 12,873.39 × 3,902.10
  4. Step 4: Simplify right side
    8,580.42x = 50,233,255.12
  5. Step 5: Solve for x
    x = 50,233,255.12/8,580.42
  6. Step 6: Final answer
    x = 5,854.41

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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.