Home / 4,955.40-6,838.40-2,717.24

Finding the Fourth Proportional to 4,955.40, 6,838.40 and 2,717.24

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Solution

The fourth proportional to 4,955.40, 6,838.40 and 2,717.24 is: 3,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.40 : 6,838.40 = 2,717.24 : x
  2. Step 2: Convert to fraction form
    4,955.40/6,838.40 = 2,717.24/x
  3. Step 3: Cross multiply
    4,955.40x = 6,838.40 × 2,717.24
  4. Step 4: Simplify right side
    4,955.40x = 18,581,574.02
  5. Step 5: Solve for x
    x = 18,581,574.02/4,955.40
  6. Step 6: Final answer
    x = 3,749.76

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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.