Home / 5,689.10-7,853.20-4,889.24

Finding the Fourth Proportional to 5,689.10, 7,853.20 and 4,889.24

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Solution

The fourth proportional to 5,689.10, 7,853.20 and 4,889.24 is: 6,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.10 : 7,853.20 = 4,889.24 : x
  2. Step 2: Convert to fraction form
    5,689.10/7,853.20 = 4,889.24/x
  3. Step 3: Cross multiply
    5,689.10x = 7,853.20 × 4,889.24
  4. Step 4: Simplify right side
    5,689.10x = 38,396,179.57
  5. Step 5: Solve for x
    x = 38,396,179.57/5,689.10
  6. Step 6: Final answer
    x = 6,749.08

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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.