Home / 4,930.31-7,396.30-2,156.92

Finding the Fourth Proportional to 4,930.31, 7,396.30 and 2,156.92

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Solution

The fourth proportional to 4,930.31, 7,396.30 and 2,156.92 is: 3,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.31 : 7,396.30 = 2,156.92 : x
  2. Step 2: Convert to fraction form
    4,930.31/7,396.30 = 2,156.92/x
  3. Step 3: Cross multiply
    4,930.31x = 7,396.30 × 2,156.92
  4. Step 4: Simplify right side
    4,930.31x = 15,953,211.60
  5. Step 5: Solve for x
    x = 15,953,211.60/4,930.31
  6. Step 6: Final answer
    x = 3,235.74

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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.