Home / 4,371.60-6,031.32-2,800.64

Finding the Fourth Proportional to 4,371.60, 6,031.32 and 2,800.64

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Solution

The fourth proportional to 4,371.60, 6,031.32 and 2,800.64 is: 3,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.60 : 6,031.32 = 2,800.64 : x
  2. Step 2: Convert to fraction form
    4,371.60/6,031.32 = 2,800.64/x
  3. Step 3: Cross multiply
    4,371.60x = 6,031.32 × 2,800.64
  4. Step 4: Simplify right side
    4,371.60x = 16,891,556.04
  5. Step 5: Solve for x
    x = 16,891,556.04/4,371.60
  6. Step 6: Final answer
    x = 3,863.93

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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.