Home / 5,320.47-7,977.48-2,202.52

Finding the Fourth Proportional to 5,320.47, 7,977.48 and 2,202.52

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Solution

The fourth proportional to 5,320.47, 7,977.48 and 2,202.52 is: 3,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.47 : 7,977.48 = 2,202.52 : x
  2. Step 2: Convert to fraction form
    5,320.47/7,977.48 = 2,202.52/x
  3. Step 3: Cross multiply
    5,320.47x = 7,977.48 × 2,202.52
  4. Step 4: Simplify right side
    5,320.47x = 17,570,559.25
  5. Step 5: Solve for x
    x = 17,570,559.25/5,320.47
  6. Step 6: Final answer
    x = 3,302.44

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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.