Home / 4,883.28-7,326.12-1,420.56

Finding the Fourth Proportional to 4,883.28, 7,326.12 and 1,420.56

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Solution

The fourth proportional to 4,883.28, 7,326.12 and 1,420.56 is: 2,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.28 : 7,326.12 = 1,420.56 : x
  2. Step 2: Convert to fraction form
    4,883.28/7,326.12 = 1,420.56/x
  3. Step 3: Cross multiply
    4,883.28x = 7,326.12 × 1,420.56
  4. Step 4: Simplify right side
    4,883.28x = 10,407,193.03
  5. Step 5: Solve for x
    x = 10,407,193.03/4,883.28
  6. Step 6: Final answer
    x = 2,131.19

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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.