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Finding the Fourth Proportional to 4,611.30, 6,919.71 and 1,649.51

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Solution

The fourth proportional to 4,611.30, 6,919.71 and 1,649.51 is: 2,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.30 : 6,919.71 = 1,649.51 : x
  2. Step 2: Convert to fraction form
    4,611.30/6,919.71 = 1,649.51/x
  3. Step 3: Cross multiply
    4,611.30x = 6,919.71 × 1,649.51
  4. Step 4: Simplify right side
    4,611.30x = 11,414,096.24
  5. Step 5: Solve for x
    x = 11,414,096.24/4,611.30
  6. Step 6: Final answer
    x = 2,475.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.