Home / 4,851.28-7,278.14-2,773.63

Finding the Fourth Proportional to 4,851.28, 7,278.14 and 2,773.63

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Solution

The fourth proportional to 4,851.28, 7,278.14 and 2,773.63 is: 4,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.28 : 7,278.14 = 2,773.63 : x
  2. Step 2: Convert to fraction form
    4,851.28/7,278.14 = 2,773.63/x
  3. Step 3: Cross multiply
    4,851.28x = 7,278.14 × 2,773.63
  4. Step 4: Simplify right side
    4,851.28x = 20,186,867.45
  5. Step 5: Solve for x
    x = 20,186,867.45/4,851.28
  6. Step 6: Final answer
    x = 4,161.14

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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.