Home / 6,384.70-8,811.94-3,731.59

Finding the Fourth Proportional to 6,384.70, 8,811.94 and 3,731.59

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Solution

The fourth proportional to 6,384.70, 8,811.94 and 3,731.59 is: 5,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.70 : 8,811.94 = 3,731.59 : x
  2. Step 2: Convert to fraction form
    6,384.70/8,811.94 = 3,731.59/x
  3. Step 3: Cross multiply
    6,384.70x = 8,811.94 × 3,731.59
  4. Step 4: Simplify right side
    6,384.70x = 32,882,547.18
  5. Step 5: Solve for x
    x = 32,882,547.18/6,384.70
  6. Step 6: Final answer
    x = 5,150.21

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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.