Home / 7,056.75-10,586.04-2,126.90

Finding the Fourth Proportional to 7,056.75, 10,586.04 and 2,126.90

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Solution

The fourth proportional to 7,056.75, 10,586.04 and 2,126.90 is: 3,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.75 : 10,586.04 = 2,126.90 : x
  2. Step 2: Convert to fraction form
    7,056.75/10,586.04 = 2,126.90/x
  3. Step 3: Cross multiply
    7,056.75x = 10,586.04 × 2,126.90
  4. Step 4: Simplify right side
    7,056.75x = 22,515,395.55
  5. Step 5: Solve for x
    x = 22,515,395.55/7,056.75
  6. Step 6: Final answer
    x = 3,190.62

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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.