Home / 5,150.16-7,721.28-2,551.08

Finding the Fourth Proportional to 5,150.16, 7,721.28 and 2,551.08

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Solution

The fourth proportional to 5,150.16, 7,721.28 and 2,551.08 is: 3,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.16 : 7,721.28 = 2,551.08 : x
  2. Step 2: Convert to fraction form
    5,150.16/7,721.28 = 2,551.08/x
  3. Step 3: Cross multiply
    5,150.16x = 7,721.28 × 2,551.08
  4. Step 4: Simplify right side
    5,150.16x = 19,697,602.98
  5. Step 5: Solve for x
    x = 19,697,602.98/5,150.16
  6. Step 6: Final answer
    x = 3,824.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.