Home / 4,343.28-6,486.78-3,760.08

Finding the Fourth Proportional to 4,343.28, 6,486.78 and 3,760.08

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Solution

The fourth proportional to 4,343.28, 6,486.78 and 3,760.08 is: 5,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.28 : 6,486.78 = 3,760.08 : x
  2. Step 2: Convert to fraction form
    4,343.28/6,486.78 = 3,760.08/x
  3. Step 3: Cross multiply
    4,343.28x = 6,486.78 × 3,760.08
  4. Step 4: Simplify right side
    4,343.28x = 24,390,811.74
  5. Step 5: Solve for x
    x = 24,390,811.74/4,343.28
  6. Step 6: Final answer
    x = 5,615.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.