Home / 5,689.24-8,525.79-3,218.87

Finding the Fourth Proportional to 5,689.24, 8,525.79 and 3,218.87

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Solution

The fourth proportional to 5,689.24, 8,525.79 and 3,218.87 is: 4,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.24 : 8,525.79 = 3,218.87 : x
  2. Step 2: Convert to fraction form
    5,689.24/8,525.79 = 3,218.87/x
  3. Step 3: Cross multiply
    5,689.24x = 8,525.79 × 3,218.87
  4. Step 4: Simplify right side
    5,689.24x = 27,443,430.97
  5. Step 5: Solve for x
    x = 27,443,430.97/5,689.24
  6. Step 6: Final answer
    x = 4,823.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.