Home / 4,741.48-7,111.82-2,278.28

Finding the Fourth Proportional to 4,741.48, 7,111.82 and 2,278.28

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Solution

The fourth proportional to 4,741.48, 7,111.82 and 2,278.28 is: 3,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.48 : 7,111.82 = 2,278.28 : x
  2. Step 2: Convert to fraction form
    4,741.48/7,111.82 = 2,278.28/x
  3. Step 3: Cross multiply
    4,741.48x = 7,111.82 × 2,278.28
  4. Step 4: Simplify right side
    4,741.48x = 16,202,717.27
  5. Step 5: Solve for x
    x = 16,202,717.27/4,741.48
  6. Step 6: Final answer
    x = 3,417.23

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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.