Home / 5,617.72-8,428.38-2,696.23

Finding the Fourth Proportional to 5,617.72, 8,428.38 and 2,696.23

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Solution

The fourth proportional to 5,617.72, 8,428.38 and 2,696.23 is: 4,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.72 : 8,428.38 = 2,696.23 : x
  2. Step 2: Convert to fraction form
    5,617.72/8,428.38 = 2,696.23/x
  3. Step 3: Cross multiply
    5,617.72x = 8,428.38 × 2,696.23
  4. Step 4: Simplify right side
    5,617.72x = 22,724,851.01
  5. Step 5: Solve for x
    x = 22,724,851.01/5,617.72
  6. Step 6: Final answer
    x = 4,045.21

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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.