Home / 4,881.64-6,738.66-3,391.72

Finding the Fourth Proportional to 4,881.64, 6,738.66 and 3,391.72

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Solution

The fourth proportional to 4,881.64, 6,738.66 and 3,391.72 is: 4,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.64 : 6,738.66 = 3,391.72 : x
  2. Step 2: Convert to fraction form
    4,881.64/6,738.66 = 3,391.72/x
  3. Step 3: Cross multiply
    4,881.64x = 6,738.66 × 3,391.72
  4. Step 4: Simplify right side
    4,881.64x = 22,855,647.90
  5. Step 5: Solve for x
    x = 22,855,647.90/4,881.64
  6. Step 6: Final answer
    x = 4,681.96

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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.