Home / 9,278.98-13,918.50-2,705.34

Finding the Fourth Proportional to 9,278.98, 13,918.50 and 2,705.34

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Solution

The fourth proportional to 9,278.98, 13,918.50 and 2,705.34 is: 4,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.98 : 13,918.50 = 2,705.34 : x
  2. Step 2: Convert to fraction form
    9,278.98/13,918.50 = 2,705.34/x
  3. Step 3: Cross multiply
    9,278.98x = 13,918.50 × 2,705.34
  4. Step 4: Simplify right side
    9,278.98x = 37,654,274.79
  5. Step 5: Solve for x
    x = 37,654,274.79/9,278.98
  6. Step 6: Final answer
    x = 4,058.02

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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.