Home / 4,405.52-6,079.81-2,636.79

Finding the Fourth Proportional to 4,405.52, 6,079.81 and 2,636.79

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Solution

The fourth proportional to 4,405.52, 6,079.81 and 2,636.79 is: 3,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.52 : 6,079.81 = 2,636.79 : x
  2. Step 2: Convert to fraction form
    4,405.52/6,079.81 = 2,636.79/x
  3. Step 3: Cross multiply
    4,405.52x = 6,079.81 × 2,636.79
  4. Step 4: Simplify right side
    4,405.52x = 16,031,157.76
  5. Step 5: Solve for x
    x = 16,031,157.76/4,405.52
  6. Step 6: Final answer
    x = 3,638.88

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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.