Home / 5,259.96-7,893.18-2,921.76

Finding the Fourth Proportional to 5,259.96, 7,893.18 and 2,921.76

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Solution

The fourth proportional to 5,259.96, 7,893.18 and 2,921.76 is: 4,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.96 : 7,893.18 = 2,921.76 : x
  2. Step 2: Convert to fraction form
    5,259.96/7,893.18 = 2,921.76/x
  3. Step 3: Cross multiply
    5,259.96x = 7,893.18 × 2,921.76
  4. Step 4: Simplify right side
    5,259.96x = 23,061,977.60
  5. Step 5: Solve for x
    x = 23,061,977.60/5,259.96
  6. Step 6: Final answer
    x = 4,384.44

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1.5x scale

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.