Home / 7,310.84-10,088.36-4,123.96

Finding the Fourth Proportional to 7,310.84, 10,088.36 and 4,123.96

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Solution

The fourth proportional to 7,310.84, 10,088.36 and 4,123.96 is: 5,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.84 : 10,088.36 = 4,123.96 : x
  2. Step 2: Convert to fraction form
    7,310.84/10,088.36 = 4,123.96/x
  3. Step 3: Cross multiply
    7,310.84x = 10,088.36 × 4,123.96
  4. Step 4: Simplify right side
    7,310.84x = 41,603,993.11
  5. Step 5: Solve for x
    x = 41,603,993.11/7,310.84
  6. Step 6: Final answer
    x = 5,690.73

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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.