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Finding the Fourth Proportional to 6,884.88, 9,512.28 and 4,798.32

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Solution

The fourth proportional to 6,884.88, 9,512.28 and 4,798.32 is: 6,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.88 : 9,512.28 = 4,798.32 : x
  2. Step 2: Convert to fraction form
    6,884.88/9,512.28 = 4,798.32/x
  3. Step 3: Cross multiply
    6,884.88x = 9,512.28 × 4,798.32
  4. Step 4: Simplify right side
    6,884.88x = 45,642,963.37
  5. Step 5: Solve for x
    x = 45,642,963.37/6,884.88
  6. Step 6: Final answer
    x = 6,629.45

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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.