Home / 5,211.86-7,192.10-2,973.65

Finding the Fourth Proportional to 5,211.86, 7,192.10 and 2,973.65

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Solution

The fourth proportional to 5,211.86, 7,192.10 and 2,973.65 is: 4,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.86 : 7,192.10 = 2,973.65 : x
  2. Step 2: Convert to fraction form
    5,211.86/7,192.10 = 2,973.65/x
  3. Step 3: Cross multiply
    5,211.86x = 7,192.10 × 2,973.65
  4. Step 4: Simplify right side
    5,211.86x = 21,386,737.34
  5. Step 5: Solve for x
    x = 21,386,737.34/5,211.86
  6. Step 6: Final answer
    x = 4,103.48

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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.