Home / 5,180.84-7,773.56-2,715.08

Finding the Fourth Proportional to 5,180.84, 7,773.56 and 2,715.08

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Solution

The fourth proportional to 5,180.84, 7,773.56 and 2,715.08 is: 4,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.84 : 7,773.56 = 2,715.08 : x
  2. Step 2: Convert to fraction form
    5,180.84/7,773.56 = 2,715.08/x
  3. Step 3: Cross multiply
    5,180.84x = 7,773.56 × 2,715.08
  4. Step 4: Simplify right side
    5,180.84x = 21,105,805.20
  5. Step 5: Solve for x
    x = 21,105,805.20/5,180.84
  6. Step 6: Final answer
    x = 4,073.82

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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.