Home / 5,737.40-7,916.96-3,218.98

Finding the Fourth Proportional to 5,737.40, 7,916.96 and 3,218.98

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Solution

The fourth proportional to 5,737.40, 7,916.96 and 3,218.98 is: 4,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.40 : 7,916.96 = 3,218.98 : x
  2. Step 2: Convert to fraction form
    5,737.40/7,916.96 = 3,218.98/x
  3. Step 3: Cross multiply
    5,737.40x = 7,916.96 × 3,218.98
  4. Step 4: Simplify right side
    5,737.40x = 25,484,553.84
  5. Step 5: Solve for x
    x = 25,484,553.84/5,737.40
  6. Step 6: Final answer
    x = 4,441.83

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1.5x scale

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.