Home / 5,312.40-7,330.62-2,921.96

Finding the Fourth Proportional to 5,312.40, 7,330.62 and 2,921.96

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Solution

The fourth proportional to 5,312.40, 7,330.62 and 2,921.96 is: 4,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.40 : 7,330.62 = 2,921.96 : x
  2. Step 2: Convert to fraction form
    5,312.40/7,330.62 = 2,921.96/x
  3. Step 3: Cross multiply
    5,312.40x = 7,330.62 × 2,921.96
  4. Step 4: Simplify right side
    5,312.40x = 21,419,778.42
  5. Step 5: Solve for x
    x = 21,419,778.42/5,312.40
  6. Step 6: Final answer
    x = 4,032.03

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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.