Home / 4,950.16-6,830.40-3,181.42

Finding the Fourth Proportional to 4,950.16, 6,830.40 and 3,181.42

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Solution

The fourth proportional to 4,950.16, 6,830.40 and 3,181.42 is: 4,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.16 : 6,830.40 = 3,181.42 : x
  2. Step 2: Convert to fraction form
    4,950.16/6,830.40 = 3,181.42/x
  3. Step 3: Cross multiply
    4,950.16x = 6,830.40 × 3,181.42
  4. Step 4: Simplify right side
    4,950.16x = 21,730,371.17
  5. Step 5: Solve for x
    x = 21,730,371.17/4,950.16
  6. Step 6: Final answer
    x = 4,389.83

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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.