Home / 4,345.70-5,995.55-2,665.80

Finding the Fourth Proportional to 4,345.70, 5,995.55 and 2,665.80

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Solution

The fourth proportional to 4,345.70, 5,995.55 and 2,665.80 is: 3,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.70 : 5,995.55 = 2,665.80 : x
  2. Step 2: Convert to fraction form
    4,345.70/5,995.55 = 2,665.80/x
  3. Step 3: Cross multiply
    4,345.70x = 5,995.55 × 2,665.80
  4. Step 4: Simplify right side
    4,345.70x = 15,982,923.86
  5. Step 5: Solve for x
    x = 15,982,923.86/4,345.70
  6. Step 6: Final answer
    x = 3,677.88

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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.