Home / 5,370.36-8,053.96-2,082.72

Finding the Fourth Proportional to 5,370.36, 8,053.96 and 2,082.72

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Solution

The fourth proportional to 5,370.36, 8,053.96 and 2,082.72 is: 3,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.36 : 8,053.96 = 2,082.72 : x
  2. Step 2: Convert to fraction form
    5,370.36/8,053.96 = 2,082.72/x
  3. Step 3: Cross multiply
    5,370.36x = 8,053.96 × 2,082.72
  4. Step 4: Simplify right side
    5,370.36x = 16,774,143.57
  5. Step 5: Solve for x
    x = 16,774,143.57/5,370.36
  6. Step 6: Final answer
    x = 3,123.47

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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.