Home / 7,207.12-10,816.14-4,861.56

Finding the Fourth Proportional to 7,207.12, 10,816.14 and 4,861.56

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Solution

The fourth proportional to 7,207.12, 10,816.14 and 4,861.56 is: 7,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.12 : 10,816.14 = 4,861.56 : x
  2. Step 2: Convert to fraction form
    7,207.12/10,816.14 = 4,861.56/x
  3. Step 3: Cross multiply
    7,207.12x = 10,816.14 × 4,861.56
  4. Step 4: Simplify right side
    7,207.12x = 52,583,311.53
  5. Step 5: Solve for x
    x = 52,583,311.53/7,207.12
  6. Step 6: Final answer
    x = 7,296.03

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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.