Home / 7,135.66-9,846.36-3,948.53

Finding the Fourth Proportional to 7,135.66, 9,846.36 and 3,948.53

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Solution

The fourth proportional to 7,135.66, 9,846.36 and 3,948.53 is: 5,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.66 : 9,846.36 = 3,948.53 : x
  2. Step 2: Convert to fraction form
    7,135.66/9,846.36 = 3,948.53/x
  3. Step 3: Cross multiply
    7,135.66x = 9,846.36 × 3,948.53
  4. Step 4: Simplify right side
    7,135.66x = 38,878,647.85
  5. Step 5: Solve for x
    x = 38,878,647.85/7,135.66
  6. Step 6: Final answer
    x = 5,448.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.