Home / 4,789.36-6,611.52-2,799.28

Finding the Fourth Proportional to 4,789.36, 6,611.52 and 2,799.28

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Solution

The fourth proportional to 4,789.36, 6,611.52 and 2,799.28 is: 3,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.36 : 6,611.52 = 2,799.28 : x
  2. Step 2: Convert to fraction form
    4,789.36/6,611.52 = 2,799.28/x
  3. Step 3: Cross multiply
    4,789.36x = 6,611.52 × 2,799.28
  4. Step 4: Simplify right side
    4,789.36x = 18,507,495.71
  5. Step 5: Solve for x
    x = 18,507,495.71/4,789.36
  6. Step 6: Final answer
    x = 3,864.29

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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.