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Finding the Fourth Proportional to 4,807.67, 6,635.06 and 2,919.11

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Solution

The fourth proportional to 4,807.67, 6,635.06 and 2,919.11 is: 4,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.67 : 6,635.06 = 2,919.11 : x
  2. Step 2: Convert to fraction form
    4,807.67/6,635.06 = 2,919.11/x
  3. Step 3: Cross multiply
    4,807.67x = 6,635.06 × 2,919.11
  4. Step 4: Simplify right side
    4,807.67x = 19,368,422.23
  5. Step 5: Solve for x
    x = 19,368,422.23/4,807.67
  6. Step 6: Final answer
    x = 4,028.65

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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.