Home / 6,419.32-8,850.58-4,908.74

Finding the Fourth Proportional to 6,419.32, 8,850.58 and 4,908.74

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Solution

The fourth proportional to 6,419.32, 8,850.58 and 4,908.74 is: 6,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.32 : 8,850.58 = 4,908.74 : x
  2. Step 2: Convert to fraction form
    6,419.32/8,850.58 = 4,908.74/x
  3. Step 3: Cross multiply
    6,419.32x = 8,850.58 × 4,908.74
  4. Step 4: Simplify right side
    6,419.32x = 43,445,139.54
  5. Step 5: Solve for x
    x = 43,445,139.54/6,419.32
  6. Step 6: Final answer
    x = 6,767.88

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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.