Home / 5,201.40-7,802.08-2,082.19

Finding the Fourth Proportional to 5,201.40, 7,802.08 and 2,082.19

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Solution

The fourth proportional to 5,201.40, 7,802.08 and 2,082.19 is: 3,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.40 : 7,802.08 = 2,082.19 : x
  2. Step 2: Convert to fraction form
    5,201.40/7,802.08 = 2,082.19/x
  3. Step 3: Cross multiply
    5,201.40x = 7,802.08 × 2,082.19
  4. Step 4: Simplify right side
    5,201.40x = 16,245,388.24
  5. Step 5: Solve for x
    x = 16,245,388.24/5,201.40
  6. Step 6: Final answer
    x = 3,123.27

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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.