Home / 6,911.12-9,538.88-4,392.74

Finding the Fourth Proportional to 6,911.12, 9,538.88 and 4,392.74

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Solution

The fourth proportional to 6,911.12, 9,538.88 and 4,392.74 is: 6,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.12 : 9,538.88 = 4,392.74 : x
  2. Step 2: Convert to fraction form
    6,911.12/9,538.88 = 4,392.74/x
  3. Step 3: Cross multiply
    6,911.12x = 9,538.88 × 4,392.74
  4. Step 4: Simplify right side
    6,911.12x = 41,901,819.73
  5. Step 5: Solve for x
    x = 41,901,819.73/6,911.12
  6. Step 6: Final answer
    x = 6,062.96

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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.