Home / 5,173.30-7,765.10-2,400.60

Finding the Fourth Proportional to 5,173.30, 7,765.10 and 2,400.60

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Solution

The fourth proportional to 5,173.30, 7,765.10 and 2,400.60 is: 3,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.30 : 7,765.10 = 2,400.60 : x
  2. Step 2: Convert to fraction form
    5,173.30/7,765.10 = 2,400.60/x
  3. Step 3: Cross multiply
    5,173.30x = 7,765.10 × 2,400.60
  4. Step 4: Simplify right side
    5,173.30x = 18,640,925.18
  5. Step 5: Solve for x
    x = 18,640,925.18/5,173.30
  6. Step 6: Final answer
    x = 3,603.29

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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.