Home / 7,751.39-10,693.49-4,605.75

Finding the Fourth Proportional to 7,751.39, 10,693.49 and 4,605.75

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Solution

The fourth proportional to 7,751.39, 10,693.49 and 4,605.75 is: 6,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.39 : 10,693.49 = 4,605.75 : x
  2. Step 2: Convert to fraction form
    7,751.39/10,693.49 = 4,605.75/x
  3. Step 3: Cross multiply
    7,751.39x = 10,693.49 × 4,605.75
  4. Step 4: Simplify right side
    7,751.39x = 49,251,518.54
  5. Step 5: Solve for x
    x = 49,251,518.54/7,751.39
  6. Step 6: Final answer
    x = 6,353.90

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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.