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Finding the Fourth Proportional to 5,010.22, 6,915.81 and 2,916.10

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Solution

The fourth proportional to 5,010.22, 6,915.81 and 2,916.10 is: 4,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.22 : 6,915.81 = 2,916.10 : x
  2. Step 2: Convert to fraction form
    5,010.22/6,915.81 = 2,916.10/x
  3. Step 3: Cross multiply
    5,010.22x = 6,915.81 × 2,916.10
  4. Step 4: Simplify right side
    5,010.22x = 20,167,193.54
  5. Step 5: Solve for x
    x = 20,167,193.54/5,010.22
  6. Step 6: Final answer
    x = 4,025.21

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1.5x scale

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.