Home / 7,820.67-10,788.92-4,506.75

Finding the Fourth Proportional to 7,820.67, 10,788.92 and 4,506.75

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Solution

The fourth proportional to 7,820.67, 10,788.92 and 4,506.75 is: 6,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.67 : 10,788.92 = 4,506.75 : x
  2. Step 2: Convert to fraction form
    7,820.67/10,788.92 = 4,506.75/x
  3. Step 3: Cross multiply
    7,820.67x = 10,788.92 × 4,506.75
  4. Step 4: Simplify right side
    7,820.67x = 48,622,942.68
  5. Step 5: Solve for x
    x = 48,622,942.68/7,820.67
  6. Step 6: Final answer
    x = 6,217.23

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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.