Home / 5,318.01-7,976.54-1,621.10

Finding the Fourth Proportional to 5,318.01, 7,976.54 and 1,621.10

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Solution

The fourth proportional to 5,318.01, 7,976.54 and 1,621.10 is: 2,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.01 : 7,976.54 = 1,621.10 : x
  2. Step 2: Convert to fraction form
    5,318.01/7,976.54 = 1,621.10/x
  3. Step 3: Cross multiply
    5,318.01x = 7,976.54 × 1,621.10
  4. Step 4: Simplify right side
    5,318.01x = 12,930,792.99
  5. Step 5: Solve for x
    x = 12,930,792.99/5,318.01
  6. Step 6: Final answer
    x = 2,431.51

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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.