Home / 9,327.44-12,870.84-5,348.45

Finding the Fourth Proportional to 9,327.44, 12,870.84 and 5,348.45

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Solution

The fourth proportional to 9,327.44, 12,870.84 and 5,348.45 is: 7,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.44 : 12,870.84 = 5,348.45 : x
  2. Step 2: Convert to fraction form
    9,327.44/12,870.84 = 5,348.45/x
  3. Step 3: Cross multiply
    9,327.44x = 12,870.84 × 5,348.45
  4. Step 4: Simplify right side
    9,327.44x = 68,838,979.84
  5. Step 5: Solve for x
    x = 68,838,979.84/9,327.44
  6. Step 6: Final answer
    x = 7,380.27

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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.