Home / 4,205.76-6,320.18-3,931.48

Finding the Fourth Proportional to 4,205.76, 6,320.18 and 3,931.48

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Solution

The fourth proportional to 4,205.76, 6,320.18 and 3,931.48 is: 5,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.76 : 6,320.18 = 3,931.48 : x
  2. Step 2: Convert to fraction form
    4,205.76/6,320.18 = 3,931.48/x
  3. Step 3: Cross multiply
    4,205.76x = 6,320.18 × 3,931.48
  4. Step 4: Simplify right side
    4,205.76x = 24,847,661.27
  5. Step 5: Solve for x
    x = 24,847,661.27/4,205.76
  6. Step 6: Final answer
    x = 5,908.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.