Home / 4,277.19-5,905.86-3,280.89

Finding the Fourth Proportional to 4,277.19, 5,905.86 and 3,280.89

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Solution

The fourth proportional to 4,277.19, 5,905.86 and 3,280.89 is: 4,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.19 : 5,905.86 = 3,280.89 : x
  2. Step 2: Convert to fraction form
    4,277.19/5,905.86 = 3,280.89/x
  3. Step 3: Cross multiply
    4,277.19x = 5,905.86 × 3,280.89
  4. Step 4: Simplify right side
    4,277.19x = 19,376,477.02
  5. Step 5: Solve for x
    x = 19,376,477.02/4,277.19
  6. Step 6: Final answer
    x = 4,530.19

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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.