Home / 6,433.27-8,870.87-4,190.99

Finding the Fourth Proportional to 6,433.27, 8,870.87 and 4,190.99

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Solution

The fourth proportional to 6,433.27, 8,870.87 and 4,190.99 is: 5,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.27 : 8,870.87 = 4,190.99 : x
  2. Step 2: Convert to fraction form
    6,433.27/8,870.87 = 4,190.99/x
  3. Step 3: Cross multiply
    6,433.27x = 8,870.87 × 4,190.99
  4. Step 4: Simplify right side
    6,433.27x = 37,177,719.91
  5. Step 5: Solve for x
    x = 37,177,719.91/6,433.27
  6. Step 6: Final answer
    x = 5,778.97

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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.