Home / 5,291.12-7,940.28-3,341.36

Finding the Fourth Proportional to 5,291.12, 7,940.28 and 3,341.36

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Solution

The fourth proportional to 5,291.12, 7,940.28 and 3,341.36 is: 5,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.12 : 7,940.28 = 3,341.36 : x
  2. Step 2: Convert to fraction form
    5,291.12/7,940.28 = 3,341.36/x
  3. Step 3: Cross multiply
    5,291.12x = 7,940.28 × 3,341.36
  4. Step 4: Simplify right side
    5,291.12x = 26,531,333.98
  5. Step 5: Solve for x
    x = 26,531,333.98/5,291.12
  6. Step 6: Final answer
    x = 5,014.31

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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.