Home / 5,277.81-7,268.59-4,385.54

Finding the Fourth Proportional to 5,277.81, 7,268.59 and 4,385.54

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Solution

The fourth proportional to 5,277.81, 7,268.59 and 4,385.54 is: 6,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.81 : 7,268.59 = 4,385.54 : x
  2. Step 2: Convert to fraction form
    5,277.81/7,268.59 = 4,385.54/x
  3. Step 3: Cross multiply
    5,277.81x = 7,268.59 × 4,385.54
  4. Step 4: Simplify right side
    5,277.81x = 31,876,691.17
  5. Step 5: Solve for x
    x = 31,876,691.17/5,277.81
  6. Step 6: Final answer
    x = 6,039.76

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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.