Home / 9,328.32-12,871.62-5,348.88

Finding the Fourth Proportional to 9,328.32, 12,871.62 and 5,348.88

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Solution

The fourth proportional to 9,328.32, 12,871.62 and 5,348.88 is: 7,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.32 : 12,871.62 = 5,348.88 : x
  2. Step 2: Convert to fraction form
    9,328.32/12,871.62 = 5,348.88/x
  3. Step 3: Cross multiply
    9,328.32x = 12,871.62 × 5,348.88
  4. Step 4: Simplify right side
    9,328.32x = 68,848,750.79
  5. Step 5: Solve for x
    x = 68,848,750.79/9,328.32
  6. Step 6: Final answer
    x = 7,380.62

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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.