Home / 5,303.28-7,943.40-3,839.28

Finding the Fourth Proportional to 5,303.28, 7,943.40 and 3,839.28

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Solution

The fourth proportional to 5,303.28, 7,943.40 and 3,839.28 is: 5,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.28 : 7,943.40 = 3,839.28 : x
  2. Step 2: Convert to fraction form
    5,303.28/7,943.40 = 3,839.28/x
  3. Step 3: Cross multiply
    5,303.28x = 7,943.40 × 3,839.28
  4. Step 4: Simplify right side
    5,303.28x = 30,496,936.75
  5. Step 5: Solve for x
    x = 30,496,936.75/5,303.28
  6. Step 6: Final answer
    x = 5,750.58

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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.