Home / 5,318.02-7,976.80-2,197.18

Finding the Fourth Proportional to 5,318.02, 7,976.80 and 2,197.18

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Solution

The fourth proportional to 5,318.02, 7,976.80 and 2,197.18 is: 3,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.02 : 7,976.80 = 2,197.18 : x
  2. Step 2: Convert to fraction form
    5,318.02/7,976.80 = 2,197.18/x
  3. Step 3: Cross multiply
    5,318.02x = 7,976.80 × 2,197.18
  4. Step 4: Simplify right side
    5,318.02x = 17,526,465.42
  5. Step 5: Solve for x
    x = 17,526,465.42/5,318.02
  6. Step 6: Final answer
    x = 3,295.67

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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.