Home / 5,211.48-7,821.16-4,038.62

Finding the Fourth Proportional to 5,211.48, 7,821.16 and 4,038.62

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Solution

The fourth proportional to 5,211.48, 7,821.16 and 4,038.62 is: 6,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.48 : 7,821.16 = 4,038.62 : x
  2. Step 2: Convert to fraction form
    5,211.48/7,821.16 = 4,038.62/x
  3. Step 3: Cross multiply
    5,211.48x = 7,821.16 × 4,038.62
  4. Step 4: Simplify right side
    5,211.48x = 31,586,702.66
  5. Step 5: Solve for x
    x = 31,586,702.66/5,211.48
  6. Step 6: Final answer
    x = 6,060.99

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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.