Home / 4,419.47-6,629.13-1,132.53

Finding the Fourth Proportional to 4,419.47, 6,629.13 and 1,132.53

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Solution

The fourth proportional to 4,419.47, 6,629.13 and 1,132.53 is: 1,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.47 : 6,629.13 = 1,132.53 : x
  2. Step 2: Convert to fraction form
    4,419.47/6,629.13 = 1,132.53/x
  3. Step 3: Cross multiply
    4,419.47x = 6,629.13 × 1,132.53
  4. Step 4: Simplify right side
    4,419.47x = 7,507,688.60
  5. Step 5: Solve for x
    x = 7,507,688.60/4,419.47
  6. Step 6: Final answer
    x = 1,698.78

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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.