Home / 4,741.02-7,110.99-1,278.54

Finding the Fourth Proportional to 4,741.02, 7,110.99 and 1,278.54

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Solution

The fourth proportional to 4,741.02, 7,110.99 and 1,278.54 is: 1,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.02 : 7,110.99 = 1,278.54 : x
  2. Step 2: Convert to fraction form
    4,741.02/7,110.99 = 1,278.54/x
  3. Step 3: Cross multiply
    4,741.02x = 7,110.99 × 1,278.54
  4. Step 4: Simplify right side
    4,741.02x = 9,091,685.15
  5. Step 5: Solve for x
    x = 9,091,685.15/4,741.02
  6. Step 6: Final answer
    x = 1,917.66

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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.