Home / 7,215.54-9,956.16-4,382.34

Finding the Fourth Proportional to 7,215.54, 9,956.16 and 4,382.34

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Solution

The fourth proportional to 7,215.54, 9,956.16 and 4,382.34 is: 6,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.54 : 9,956.16 = 4,382.34 : x
  2. Step 2: Convert to fraction form
    7,215.54/9,956.16 = 4,382.34/x
  3. Step 3: Cross multiply
    7,215.54x = 9,956.16 × 4,382.34
  4. Step 4: Simplify right side
    7,215.54x = 43,631,278.21
  5. Step 5: Solve for x
    x = 43,631,278.21/7,215.54
  6. Step 6: Final answer
    x = 6,046.85

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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.