Home / 4,771.78-6,585.05-2,781.95

Finding the Fourth Proportional to 4,771.78, 6,585.05 and 2,781.95

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Solution

The fourth proportional to 4,771.78, 6,585.05 and 2,781.95 is: 3,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.78 : 6,585.05 = 2,781.95 : x
  2. Step 2: Convert to fraction form
    4,771.78/6,585.05 = 2,781.95/x
  3. Step 3: Cross multiply
    4,771.78x = 6,585.05 × 2,781.95
  4. Step 4: Simplify right side
    4,771.78x = 18,319,233.01
  5. Step 5: Solve for x
    x = 18,319,233.01/4,771.78
  6. Step 6: Final answer
    x = 3,839.08

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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.