Home / 5,250.81-7,246.14-2,892.95

Finding the Fourth Proportional to 5,250.81, 7,246.14 and 2,892.95

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Solution

The fourth proportional to 5,250.81, 7,246.14 and 2,892.95 is: 3,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.81 : 7,246.14 = 2,892.95 : x
  2. Step 2: Convert to fraction form
    5,250.81/7,246.14 = 2,892.95/x
  3. Step 3: Cross multiply
    5,250.81x = 7,246.14 × 2,892.95
  4. Step 4: Simplify right side
    5,250.81x = 20,962,725.24
  5. Step 5: Solve for x
    x = 20,962,725.24/5,250.81
  6. Step 6: Final answer
    x = 3,992.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.