Home / 5,284.33-7,285.74-3,392.56

Finding the Fourth Proportional to 5,284.33, 7,285.74 and 3,392.56

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Solution

The fourth proportional to 5,284.33, 7,285.74 and 3,392.56 is: 4,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.33 : 7,285.74 = 3,392.56 : x
  2. Step 2: Convert to fraction form
    5,284.33/7,285.74 = 3,392.56/x
  3. Step 3: Cross multiply
    5,284.33x = 7,285.74 × 3,392.56
  4. Step 4: Simplify right side
    5,284.33x = 24,717,310.09
  5. Step 5: Solve for x
    x = 24,717,310.09/5,284.33
  6. Step 6: Final answer
    x = 4,677.47

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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.