Home / 9,778.28-13,494.18-5,586.44

Finding the Fourth Proportional to 9,778.28, 13,494.18 and 5,586.44

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Solution

The fourth proportional to 9,778.28, 13,494.18 and 5,586.44 is: 7,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.28 : 13,494.18 = 5,586.44 : x
  2. Step 2: Convert to fraction form
    9,778.28/13,494.18 = 5,586.44/x
  3. Step 3: Cross multiply
    9,778.28x = 13,494.18 × 5,586.44
  4. Step 4: Simplify right side
    9,778.28x = 75,384,426.92
  5. Step 5: Solve for x
    x = 75,384,426.92/9,778.28
  6. Step 6: Final answer
    x = 7,709.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.