Home / 5,246.16-7,872.48-3,561.36

Finding the Fourth Proportional to 5,246.16, 7,872.48 and 3,561.36

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Solution

The fourth proportional to 5,246.16, 7,872.48 and 3,561.36 is: 5,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.16 : 7,872.48 = 3,561.36 : x
  2. Step 2: Convert to fraction form
    5,246.16/7,872.48 = 3,561.36/x
  3. Step 3: Cross multiply
    5,246.16x = 7,872.48 × 3,561.36
  4. Step 4: Simplify right side
    5,246.16x = 28,036,735.37
  5. Step 5: Solve for x
    x = 28,036,735.37/5,246.16
  6. Step 6: Final answer
    x = 5,344.24

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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.