Home / 7,215.75-9,956.04-4,383.06

Finding the Fourth Proportional to 7,215.75, 9,956.04 and 4,383.06

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Solution

The fourth proportional to 7,215.75, 9,956.04 and 4,383.06 is: 6,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.75 : 9,956.04 = 4,383.06 : x
  2. Step 2: Convert to fraction form
    7,215.75/9,956.04 = 4,383.06/x
  3. Step 3: Cross multiply
    7,215.75x = 9,956.04 × 4,383.06
  4. Step 4: Simplify right side
    7,215.75x = 43,637,920.68
  5. Step 5: Solve for x
    x = 43,637,920.68/7,215.75
  6. Step 6: Final answer
    x = 6,047.59

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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.