Home / 7,383.80-10,191.31-4,694.50

Finding the Fourth Proportional to 7,383.80, 10,191.31 and 4,694.50

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Solution

The fourth proportional to 7,383.80, 10,191.31 and 4,694.50 is: 6,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.80 : 10,191.31 = 4,694.50 : x
  2. Step 2: Convert to fraction form
    7,383.80/10,191.31 = 4,694.50/x
  3. Step 3: Cross multiply
    7,383.80x = 10,191.31 × 4,694.50
  4. Step 4: Simplify right side
    7,383.80x = 47,843,105.80
  5. Step 5: Solve for x
    x = 47,843,105.80/7,383.80
  6. Step 6: Final answer
    x = 6,479.47

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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.