Home / 5,146.16-7,101.65-2,908.76

Finding the Fourth Proportional to 5,146.16, 7,101.65 and 2,908.76

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Solution

The fourth proportional to 5,146.16, 7,101.65 and 2,908.76 is: 4,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.16 : 7,101.65 = 2,908.76 : x
  2. Step 2: Convert to fraction form
    5,146.16/7,101.65 = 2,908.76/x
  3. Step 3: Cross multiply
    5,146.16x = 7,101.65 × 2,908.76
  4. Step 4: Simplify right side
    5,146.16x = 20,656,967.22
  5. Step 5: Solve for x
    x = 20,656,967.22/5,146.16
  6. Step 6: Final answer
    x = 4,014.06

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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.