Home / 4,345.81-6,542.21-3,958.30

Finding the Fourth Proportional to 4,345.81, 6,542.21 and 3,958.30

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Solution

The fourth proportional to 4,345.81, 6,542.21 and 3,958.30 is: 5,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.81 : 6,542.21 = 3,958.30 : x
  2. Step 2: Convert to fraction form
    4,345.81/6,542.21 = 3,958.30/x
  3. Step 3: Cross multiply
    4,345.81x = 6,542.21 × 3,958.30
  4. Step 4: Simplify right side
    4,345.81x = 25,896,006.28
  5. Step 5: Solve for x
    x = 25,896,006.28/4,345.81
  6. Step 6: Final answer
    x = 5,958.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.