Home / 5,160.33-7,740.50-2,082.33

Finding the Fourth Proportional to 5,160.33, 7,740.50 and 2,082.33

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Solution

The fourth proportional to 5,160.33, 7,740.50 and 2,082.33 is: 3,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.33 : 7,740.50 = 2,082.33 : x
  2. Step 2: Convert to fraction form
    5,160.33/7,740.50 = 2,082.33/x
  3. Step 3: Cross multiply
    5,160.33x = 7,740.50 × 2,082.33
  4. Step 4: Simplify right side
    5,160.33x = 16,118,264.95
  5. Step 5: Solve for x
    x = 16,118,264.95/5,160.33
  6. Step 6: Final answer
    x = 3,123.50

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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.