Home / 4,431.68-6,111.20-3,104.96

Finding the Fourth Proportional to 4,431.68, 6,111.20 and 3,104.96

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Solution

The fourth proportional to 4,431.68, 6,111.20 and 3,104.96 is: 4,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.68 : 6,111.20 = 3,104.96 : x
  2. Step 2: Convert to fraction form
    4,431.68/6,111.20 = 3,104.96/x
  3. Step 3: Cross multiply
    4,431.68x = 6,111.20 × 3,104.96
  4. Step 4: Simplify right side
    4,431.68x = 18,975,031.55
  5. Step 5: Solve for x
    x = 18,975,031.55/4,431.68
  6. Step 6: Final answer
    x = 4,281.68

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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.