Home / 4,806.39-7,209.66-1,521.79

Finding the Fourth Proportional to 4,806.39, 7,209.66 and 1,521.79

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Solution

The fourth proportional to 4,806.39, 7,209.66 and 1,521.79 is: 2,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.39 : 7,209.66 = 1,521.79 : x
  2. Step 2: Convert to fraction form
    4,806.39/7,209.66 = 1,521.79/x
  3. Step 3: Cross multiply
    4,806.39x = 7,209.66 × 1,521.79
  4. Step 4: Simplify right side
    4,806.39x = 10,971,567.61
  5. Step 5: Solve for x
    x = 10,971,567.61/4,806.39
  6. Step 6: Final answer
    x = 2,282.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.