Home / 4,887.39-6,744.41-2,870.54

Finding the Fourth Proportional to 4,887.39, 6,744.41 and 2,870.54

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Solution

The fourth proportional to 4,887.39, 6,744.41 and 2,870.54 is: 3,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.39 : 6,744.41 = 2,870.54 : x
  2. Step 2: Convert to fraction form
    4,887.39/6,744.41 = 2,870.54/x
  3. Step 3: Cross multiply
    4,887.39x = 6,744.41 × 2,870.54
  4. Step 4: Simplify right side
    4,887.39x = 19,360,086.66
  5. Step 5: Solve for x
    x = 19,360,086.66/4,887.39
  6. Step 6: Final answer
    x = 3,961.23

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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.