Home / 6,816.51-10,227.47-2,657.78

Finding the Fourth Proportional to 6,816.51, 10,227.47 and 2,657.78

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Solution

The fourth proportional to 6,816.51, 10,227.47 and 2,657.78 is: 3,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.51 : 10,227.47 = 2,657.78 : x
  2. Step 2: Convert to fraction form
    6,816.51/10,227.47 = 2,657.78/x
  3. Step 3: Cross multiply
    6,816.51x = 10,227.47 × 2,657.78
  4. Step 4: Simplify right side
    6,816.51x = 27,182,300.79
  5. Step 5: Solve for x
    x = 27,182,300.79/6,816.51
  6. Step 6: Final answer
    x = 3,987.72

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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.