Home / 5,181.04-7,774.80-2,103.04

Finding the Fourth Proportional to 5,181.04, 7,774.80 and 2,103.04

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Solution

The fourth proportional to 5,181.04, 7,774.80 and 2,103.04 is: 3,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.04 : 7,774.80 = 2,103.04 : x
  2. Step 2: Convert to fraction form
    5,181.04/7,774.80 = 2,103.04/x
  3. Step 3: Cross multiply
    5,181.04x = 7,774.80 × 2,103.04
  4. Step 4: Simplify right side
    5,181.04x = 16,350,715.39
  5. Step 5: Solve for x
    x = 16,350,715.39/5,181.04
  6. Step 6: Final answer
    x = 3,155.88

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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.