Home / 4,890.72-7,330.68-2,116.92

Finding the Fourth Proportional to 4,890.72, 7,330.68 and 2,116.92

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Solution

The fourth proportional to 4,890.72, 7,330.68 and 2,116.92 is: 3,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.72 : 7,330.68 = 2,116.92 : x
  2. Step 2: Convert to fraction form
    4,890.72/7,330.68 = 2,116.92/x
  3. Step 3: Cross multiply
    4,890.72x = 7,330.68 × 2,116.92
  4. Step 4: Simplify right side
    4,890.72x = 15,518,463.11
  5. Step 5: Solve for x
    x = 15,518,463.11/4,890.72
  6. Step 6: Final answer
    x = 3,173.04

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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.