Home / 4,990.19-7,479.96-3,753.93

Finding the Fourth Proportional to 4,990.19, 7,479.96 and 3,753.93

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Solution

The fourth proportional to 4,990.19, 7,479.96 and 3,753.93 is: 5,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.19 : 7,479.96 = 3,753.93 : x
  2. Step 2: Convert to fraction form
    4,990.19/7,479.96 = 3,753.93/x
  3. Step 3: Cross multiply
    4,990.19x = 7,479.96 × 3,753.93
  4. Step 4: Simplify right side
    4,990.19x = 28,079,246.24
  5. Step 5: Solve for x
    x = 28,079,246.24/4,990.19
  6. Step 6: Final answer
    x = 5,626.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.