Home / 4,284.40-5,909.04-2,605.76

Finding the Fourth Proportional to 4,284.40, 5,909.04 and 2,605.76

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Solution

The fourth proportional to 4,284.40, 5,909.04 and 2,605.76 is: 3,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.40 : 5,909.04 = 2,605.76 : x
  2. Step 2: Convert to fraction form
    4,284.40/5,909.04 = 2,605.76/x
  3. Step 3: Cross multiply
    4,284.40x = 5,909.04 × 2,605.76
  4. Step 4: Simplify right side
    4,284.40x = 15,397,540.07
  5. Step 5: Solve for x
    x = 15,397,540.07/4,284.40
  6. Step 6: Final answer
    x = 3,593.86

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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.