Home / 5,146.03-7,101.49-2,908.63

Finding the Fourth Proportional to 5,146.03, 7,101.49 and 2,908.63

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Solution

The fourth proportional to 5,146.03, 7,101.49 and 2,908.63 is: 4,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.03 : 7,101.49 = 2,908.63 : x
  2. Step 2: Convert to fraction form
    5,146.03/7,101.49 = 2,908.63/x
  3. Step 3: Cross multiply
    5,146.03x = 7,101.49 × 2,908.63
  4. Step 4: Simplify right side
    5,146.03x = 20,655,606.86
  5. Step 5: Solve for x
    x = 20,655,606.86/5,146.03
  6. Step 6: Final answer
    x = 4,013.89

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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.