Home / 4,765.11-6,517.49-4,688.57

Finding the Fourth Proportional to 4,765.11, 6,517.49 and 4,688.57

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Solution

The fourth proportional to 4,765.11, 6,517.49 and 4,688.57 is: 6,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.11 : 6,517.49 = 4,688.57 : x
  2. Step 2: Convert to fraction form
    4,765.11/6,517.49 = 4,688.57/x
  3. Step 3: Cross multiply
    4,765.11x = 6,517.49 × 4,688.57
  4. Step 4: Simplify right side
    4,765.11x = 30,557,708.09
  5. Step 5: Solve for x
    x = 30,557,708.09/4,765.11
  6. Step 6: Final answer
    x = 6,412.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.