Home / 10,390.53-15,591.01-4,844.31

Finding the Fourth Proportional to 10,390.53, 15,591.01 and 4,844.31

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Solution

The fourth proportional to 10,390.53, 15,591.01 and 4,844.31 is: 7,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.53 : 15,591.01 = 4,844.31 : x
  2. Step 2: Convert to fraction form
    10,390.53/15,591.01 = 4,844.31/x
  3. Step 3: Cross multiply
    10,390.53x = 15,591.01 × 4,844.31
  4. Step 4: Simplify right side
    10,390.53x = 75,527,610.53
  5. Step 5: Solve for x
    x = 75,527,610.53/10,390.53
  6. Step 6: Final answer
    x = 7,268.89

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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.