Home / 5,146.39-7,101.97-2,908.81

Finding the Fourth Proportional to 5,146.39, 7,101.97 and 2,908.81

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Solution

The fourth proportional to 5,146.39, 7,101.97 and 2,908.81 is: 4,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.39 : 7,101.97 = 2,908.81 : x
  2. Step 2: Convert to fraction form
    5,146.39/7,101.97 = 2,908.81/x
  3. Step 3: Cross multiply
    5,146.39x = 7,101.97 × 2,908.81
  4. Step 4: Simplify right side
    5,146.39x = 20,658,281.36
  5. Step 5: Solve for x
    x = 20,658,281.36/5,146.39
  6. Step 6: Final answer
    x = 4,014.13

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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.