Home / 5,689.67-7,851.21-3,331.36

Finding the Fourth Proportional to 5,689.67, 7,851.21 and 3,331.36

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Solution

The fourth proportional to 5,689.67, 7,851.21 and 3,331.36 is: 4,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.67 : 7,851.21 = 3,331.36 : x
  2. Step 2: Convert to fraction form
    5,689.67/7,851.21 = 3,331.36/x
  3. Step 3: Cross multiply
    5,689.67x = 7,851.21 × 3,331.36
  4. Step 4: Simplify right side
    5,689.67x = 26,155,167.69
  5. Step 5: Solve for x
    x = 26,155,167.69/5,689.67
  6. Step 6: Final answer
    x = 4,596.96

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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.