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Finding the Fourth Proportional to 5,012.16, 6,916.14 and 2,773.91

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Solution

The fourth proportional to 5,012.16, 6,916.14 and 2,773.91 is: 3,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.16 : 6,916.14 = 2,773.91 : x
  2. Step 2: Convert to fraction form
    5,012.16/6,916.14 = 2,773.91/x
  3. Step 3: Cross multiply
    5,012.16x = 6,916.14 × 2,773.91
  4. Step 4: Simplify right side
    5,012.16x = 19,184,715.33
  5. Step 5: Solve for x
    x = 19,184,715.33/5,012.16
  6. Step 6: Final answer
    x = 3,827.63

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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.