Home / 5,809.92-8,017.40-3,291.96

Finding the Fourth Proportional to 5,809.92, 8,017.40 and 3,291.96

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Solution

The fourth proportional to 5,809.92, 8,017.40 and 3,291.96 is: 4,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.92 : 8,017.40 = 3,291.96 : x
  2. Step 2: Convert to fraction form
    5,809.92/8,017.40 = 3,291.96/x
  3. Step 3: Cross multiply
    5,809.92x = 8,017.40 × 3,291.96
  4. Step 4: Simplify right side
    5,809.92x = 26,392,960.10
  5. Step 5: Solve for x
    x = 26,392,960.10/5,809.92
  6. Step 6: Final answer
    x = 4,542.74

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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.