Home / 5,317.02-7,977.09-2,197.22

Finding the Fourth Proportional to 5,317.02, 7,977.09 and 2,197.22

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Solution

The fourth proportional to 5,317.02, 7,977.09 and 2,197.22 is: 3,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.02 : 7,977.09 = 2,197.22 : x
  2. Step 2: Convert to fraction form
    5,317.02/7,977.09 = 2,197.22/x
  3. Step 3: Cross multiply
    5,317.02x = 7,977.09 × 2,197.22
  4. Step 4: Simplify right side
    5,317.02x = 17,527,381.80
  5. Step 5: Solve for x
    x = 17,527,381.80/5,317.02
  6. Step 6: Final answer
    x = 3,296.47

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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.