Home / 4,881.05-6,735.78-2,642.87

Finding the Fourth Proportional to 4,881.05, 6,735.78 and 2,642.87

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Solution

The fourth proportional to 4,881.05, 6,735.78 and 2,642.87 is: 3,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.05 : 6,735.78 = 2,642.87 : x
  2. Step 2: Convert to fraction form
    4,881.05/6,735.78 = 2,642.87/x
  3. Step 3: Cross multiply
    4,881.05x = 6,735.78 × 2,642.87
  4. Step 4: Simplify right side
    4,881.05x = 17,801,790.89
  5. Step 5: Solve for x
    x = 17,801,790.89/4,881.05
  6. Step 6: Final answer
    x = 3,647.13

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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.