Home / 6,602.28-9,112.35-3,807.78

Finding the Fourth Proportional to 6,602.28, 9,112.35 and 3,807.78

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Solution

The fourth proportional to 6,602.28, 9,112.35 and 3,807.78 is: 5,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.28 : 9,112.35 = 3,807.78 : x
  2. Step 2: Convert to fraction form
    6,602.28/9,112.35 = 3,807.78/x
  3. Step 3: Cross multiply
    6,602.28x = 9,112.35 × 3,807.78
  4. Step 4: Simplify right side
    6,602.28x = 34,697,824.08
  5. Step 5: Solve for x
    x = 34,697,824.08/6,602.28
  6. Step 6: Final answer
    x = 5,255.43

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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.