Home / 5,374.98-7,419.06-3,486.69

Finding the Fourth Proportional to 5,374.98, 7,419.06 and 3,486.69

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Solution

The fourth proportional to 5,374.98, 7,419.06 and 3,486.69 is: 4,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.98 : 7,419.06 = 3,486.69 : x
  2. Step 2: Convert to fraction form
    5,374.98/7,419.06 = 3,486.69/x
  3. Step 3: Cross multiply
    5,374.98x = 7,419.06 × 3,486.69
  4. Step 4: Simplify right side
    5,374.98x = 25,867,962.31
  5. Step 5: Solve for x
    x = 25,867,962.31/5,374.98
  6. Step 6: Final answer
    x = 4,812.66

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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.