Home / 6,872.04-10,311.18-3,172.32

Finding the Fourth Proportional to 6,872.04, 10,311.18 and 3,172.32

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Solution

The fourth proportional to 6,872.04, 10,311.18 and 3,172.32 is: 4,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.04 : 10,311.18 = 3,172.32 : x
  2. Step 2: Convert to fraction form
    6,872.04/10,311.18 = 3,172.32/x
  3. Step 3: Cross multiply
    6,872.04x = 10,311.18 × 3,172.32
  4. Step 4: Simplify right side
    6,872.04x = 32,710,362.54
  5. Step 5: Solve for x
    x = 32,710,362.54/6,872.04
  6. Step 6: Final answer
    x = 4,759.92

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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.