Home / 5,312.06-7,330.50-2,921.90

Finding the Fourth Proportional to 5,312.06, 7,330.50 and 2,921.90

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Solution

The fourth proportional to 5,312.06, 7,330.50 and 2,921.90 is: 4,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.06 : 7,330.50 = 2,921.90 : x
  2. Step 2: Convert to fraction form
    5,312.06/7,330.50 = 2,921.90/x
  3. Step 3: Cross multiply
    5,312.06x = 7,330.50 × 2,921.90
  4. Step 4: Simplify right side
    5,312.06x = 21,419,006.28
  5. Step 5: Solve for x
    x = 21,419,006.28/5,312.06
  6. Step 6: Final answer
    x = 4,032.15

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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.