Home / 5,282.51-7,921.01-2,816.66

Finding the Fourth Proportional to 5,282.51, 7,921.01 and 2,816.66

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Solution

The fourth proportional to 5,282.51, 7,921.01 and 2,816.66 is: 4,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.51 : 7,921.01 = 2,816.66 : x
  2. Step 2: Convert to fraction form
    5,282.51/7,921.01 = 2,816.66/x
  3. Step 3: Cross multiply
    5,282.51x = 7,921.01 × 2,816.66
  4. Step 4: Simplify right side
    5,282.51x = 22,310,738.34
  5. Step 5: Solve for x
    x = 22,310,738.34/5,282.51
  6. Step 6: Final answer
    x = 4,223.51

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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.