Home / 5,377.65-7,421.89-3,019.94

Finding the Fourth Proportional to 5,377.65, 7,421.89 and 3,019.94

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Solution

The fourth proportional to 5,377.65, 7,421.89 and 3,019.94 is: 4,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.65 : 7,421.89 = 3,019.94 : x
  2. Step 2: Convert to fraction form
    5,377.65/7,421.89 = 3,019.94/x
  3. Step 3: Cross multiply
    5,377.65x = 7,421.89 × 3,019.94
  4. Step 4: Simplify right side
    5,377.65x = 22,413,662.49
  5. Step 5: Solve for x
    x = 22,413,662.49/5,377.65
  6. Step 6: Final answer
    x = 4,167.93

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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.