Home / 4,989.16-7,484.64-2,067.69

Finding the Fourth Proportional to 4,989.16, 7,484.64 and 2,067.69

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Solution

The fourth proportional to 4,989.16, 7,484.64 and 2,067.69 is: 3,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.16 : 7,484.64 = 2,067.69 : x
  2. Step 2: Convert to fraction form
    4,989.16/7,484.64 = 2,067.69/x
  3. Step 3: Cross multiply
    4,989.16x = 7,484.64 × 2,067.69
  4. Step 4: Simplify right side
    4,989.16x = 15,475,915.28
  5. Step 5: Solve for x
    x = 15,475,915.28/4,989.16
  6. Step 6: Final answer
    x = 3,101.91

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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.