Home / 4,207.68-5,803.20-3,087.36

Finding the Fourth Proportional to 4,207.68, 5,803.20 and 3,087.36

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Solution

The fourth proportional to 4,207.68, 5,803.20 and 3,087.36 is: 4,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.68 : 5,803.20 = 3,087.36 : x
  2. Step 2: Convert to fraction form
    4,207.68/5,803.20 = 3,087.36/x
  3. Step 3: Cross multiply
    4,207.68x = 5,803.20 × 3,087.36
  4. Step 4: Simplify right side
    4,207.68x = 17,916,567.55
  5. Step 5: Solve for x
    x = 17,916,567.55/4,207.68
  6. Step 6: Final answer
    x = 4,258.06

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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.