Home / 4,717.49-6,518.34-3,877.55

Finding the Fourth Proportional to 4,717.49, 6,518.34 and 3,877.55

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Solution

The fourth proportional to 4,717.49, 6,518.34 and 3,877.55 is: 5,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.49 : 6,518.34 = 3,877.55 : x
  2. Step 2: Convert to fraction form
    4,717.49/6,518.34 = 3,877.55/x
  3. Step 3: Cross multiply
    4,717.49x = 6,518.34 × 3,877.55
  4. Step 4: Simplify right side
    4,717.49x = 25,275,181.12
  5. Step 5: Solve for x
    x = 25,275,181.12/4,717.49
  6. Step 6: Final answer
    x = 5,357.77

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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.