Home / 4,955.80-6,838.90-2,717.68

Finding the Fourth Proportional to 4,955.80, 6,838.90 and 2,717.68

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Solution

The fourth proportional to 4,955.80, 6,838.90 and 2,717.68 is: 3,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.80 : 6,838.90 = 2,717.68 : x
  2. Step 2: Convert to fraction form
    4,955.80/6,838.90 = 2,717.68/x
  3. Step 3: Cross multiply
    4,955.80x = 6,838.90 × 2,717.68
  4. Step 4: Simplify right side
    4,955.80x = 18,585,941.75
  5. Step 5: Solve for x
    x = 18,585,941.75/4,955.80
  6. Step 6: Final answer
    x = 3,750.34

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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.