Home / 9,325-13,984.26-3,478.42

Finding the Fourth Proportional to 9,325, 13,984.26 and 3,478.42

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Solution

The fourth proportional to 9,325, 13,984.26 and 3,478.42 is: 5,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325 : 13,984.26 = 3,478.42 : x
  2. Step 2: Convert to fraction form
    9,325/13,984.26 = 3,478.42/x
  3. Step 3: Cross multiply
    9,325x = 13,984.26 × 3,478.42
  4. Step 4: Simplify right side
    9,325x = 48,643,129.67
  5. Step 5: Solve for x
    x = 48,643,129.67/9,325
  6. Step 6: Final answer
    x = 5,216.42

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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.