Home / 5,358.78-8,034.72-2,586.12

Finding the Fourth Proportional to 5,358.78, 8,034.72 and 2,586.12

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Solution

The fourth proportional to 5,358.78, 8,034.72 and 2,586.12 is: 3,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.78 : 8,034.72 = 2,586.12 : x
  2. Step 2: Convert to fraction form
    5,358.78/8,034.72 = 2,586.12/x
  3. Step 3: Cross multiply
    5,358.78x = 8,034.72 × 2,586.12
  4. Step 4: Simplify right side
    5,358.78x = 20,778,750.09
  5. Step 5: Solve for x
    x = 20,778,750.09/5,358.78
  6. Step 6: Final answer
    x = 3,877.52

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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.