Home / 4,887.79-6,744.75-2,763.51

Finding the Fourth Proportional to 4,887.79, 6,744.75 and 2,763.51

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Solution

The fourth proportional to 4,887.79, 6,744.75 and 2,763.51 is: 3,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.79 : 6,744.75 = 2,763.51 : x
  2. Step 2: Convert to fraction form
    4,887.79/6,744.75 = 2,763.51/x
  3. Step 3: Cross multiply
    4,887.79x = 6,744.75 × 2,763.51
  4. Step 4: Simplify right side
    4,887.79x = 18,639,184.07
  5. Step 5: Solve for x
    x = 18,639,184.07/4,887.79
  6. Step 6: Final answer
    x = 3,813.42

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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.