Home / 5,282.56-7,921.18-1,771.34

Finding the Fourth Proportional to 5,282.56, 7,921.18 and 1,771.34

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Solution

The fourth proportional to 5,282.56, 7,921.18 and 1,771.34 is: 2,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.56 : 7,921.18 = 1,771.34 : x
  2. Step 2: Convert to fraction form
    5,282.56/7,921.18 = 1,771.34/x
  3. Step 3: Cross multiply
    5,282.56x = 7,921.18 × 1,771.34
  4. Step 4: Simplify right side
    5,282.56x = 14,031,094.12
  5. Step 5: Solve for x
    x = 14,031,094.12/5,282.56
  6. Step 6: Final answer
    x = 2,656.12

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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.