Home / 7,012.78-10,518.96-2,082.41

Finding the Fourth Proportional to 7,012.78, 10,518.96 and 2,082.41

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Solution

The fourth proportional to 7,012.78, 10,518.96 and 2,082.41 is: 3,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.78 : 10,518.96 = 2,082.41 : x
  2. Step 2: Convert to fraction form
    7,012.78/10,518.96 = 2,082.41/x
  3. Step 3: Cross multiply
    7,012.78x = 10,518.96 × 2,082.41
  4. Step 4: Simplify right side
    7,012.78x = 21,904,782.15
  5. Step 5: Solve for x
    x = 21,904,782.15/7,012.78
  6. Step 6: Final answer
    x = 3,123.55

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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.