Home / 5,280.89-7,916.45-2,683.22

Finding the Fourth Proportional to 5,280.89, 7,916.45 and 2,683.22

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Solution

The fourth proportional to 5,280.89, 7,916.45 and 2,683.22 is: 4,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.89 : 7,916.45 = 2,683.22 : x
  2. Step 2: Convert to fraction form
    5,280.89/7,916.45 = 2,683.22/x
  3. Step 3: Cross multiply
    5,280.89x = 7,916.45 × 2,683.22
  4. Step 4: Simplify right side
    5,280.89x = 21,241,523.97
  5. Step 5: Solve for x
    x = 21,241,523.97/5,280.89
  6. Step 6: Final answer
    x = 4,022.34

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1.5x scale

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.