Home / 4,239-5,847.28-2,664.36

Finding the Fourth Proportional to 4,239, 5,847.28 and 2,664.36

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Solution

The fourth proportional to 4,239, 5,847.28 and 2,664.36 is: 3,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239 : 5,847.28 = 2,664.36 : x
  2. Step 2: Convert to fraction form
    4,239/5,847.28 = 2,664.36/x
  3. Step 3: Cross multiply
    4,239x = 5,847.28 × 2,664.36
  4. Step 4: Simplify right side
    4,239x = 15,579,258.94
  5. Step 5: Solve for x
    x = 15,579,258.94/4,239
  6. Step 6: Final answer
    x = 3,675.22

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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.