Home / 8,181.04-12,261.84-4,711

Finding the Fourth Proportional to 8,181.04, 12,261.84 and 4,711

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Solution

The fourth proportional to 8,181.04, 12,261.84 and 4,711 is: 7,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.04 : 12,261.84 = 4,711 : x
  2. Step 2: Convert to fraction form
    8,181.04/12,261.84 = 4,711/x
  3. Step 3: Cross multiply
    8,181.04x = 12,261.84 × 4,711
  4. Step 4: Simplify right side
    8,181.04x = 57,765,528.24
  5. Step 5: Solve for x
    x = 57,765,528.24/8,181.04
  6. Step 6: Final answer
    x = 7,060.90

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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.