Home / 4,805.78-6,633.64-2,816.98

Finding the Fourth Proportional to 4,805.78, 6,633.64 and 2,816.98

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Solution

The fourth proportional to 4,805.78, 6,633.64 and 2,816.98 is: 3,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.78 : 6,633.64 = 2,816.98 : x
  2. Step 2: Convert to fraction form
    4,805.78/6,633.64 = 2,816.98/x
  3. Step 3: Cross multiply
    4,805.78x = 6,633.64 × 2,816.98
  4. Step 4: Simplify right side
    4,805.78x = 18,686,831.21
  5. Step 5: Solve for x
    x = 18,686,831.21/4,805.78
  6. Step 6: Final answer
    x = 3,888.41

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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.