Home / 4,745.76-7,119.32-1,459.13

Finding the Fourth Proportional to 4,745.76, 7,119.32 and 1,459.13

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Solution

The fourth proportional to 4,745.76, 7,119.32 and 1,459.13 is: 2,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.76 : 7,119.32 = 1,459.13 : x
  2. Step 2: Convert to fraction form
    4,745.76/7,119.32 = 1,459.13/x
  3. Step 3: Cross multiply
    4,745.76x = 7,119.32 × 1,459.13
  4. Step 4: Simplify right side
    4,745.76x = 10,387,987.95
  5. Step 5: Solve for x
    x = 10,387,987.95/4,745.76
  6. Step 6: Final answer
    x = 2,188.90

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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.