Home / 5,659.19-7,809.68-3,300.87

Finding the Fourth Proportional to 5,659.19, 7,809.68 and 3,300.87

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Solution

The fourth proportional to 5,659.19, 7,809.68 and 3,300.87 is: 4,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.19 : 7,809.68 = 3,300.87 : x
  2. Step 2: Convert to fraction form
    5,659.19/7,809.68 = 3,300.87/x
  3. Step 3: Cross multiply
    5,659.19x = 7,809.68 × 3,300.87
  4. Step 4: Simplify right side
    5,659.19x = 25,778,738.42
  5. Step 5: Solve for x
    x = 25,778,738.42/5,659.19
  6. Step 6: Final answer
    x = 4,555.20

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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.