Home / 5,211.01-7,812.87-2,612.53

Finding the Fourth Proportional to 5,211.01, 7,812.87 and 2,612.53

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Solution

The fourth proportional to 5,211.01, 7,812.87 and 2,612.53 is: 3,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.01 : 7,812.87 = 2,612.53 : x
  2. Step 2: Convert to fraction form
    5,211.01/7,812.87 = 2,612.53/x
  3. Step 3: Cross multiply
    5,211.01x = 7,812.87 × 2,612.53
  4. Step 4: Simplify right side
    5,211.01x = 20,411,357.26
  5. Step 5: Solve for x
    x = 20,411,357.26/5,211.01
  6. Step 6: Final answer
    x = 3,916.97

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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.