Home / 6,373.81-8,795.80-3,721.62

Finding the Fourth Proportional to 6,373.81, 8,795.80 and 3,721.62

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Solution

The fourth proportional to 6,373.81, 8,795.80 and 3,721.62 is: 5,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.81 : 8,795.80 = 3,721.62 : x
  2. Step 2: Convert to fraction form
    6,373.81/8,795.80 = 3,721.62/x
  3. Step 3: Cross multiply
    6,373.81x = 8,795.80 × 3,721.62
  4. Step 4: Simplify right side
    6,373.81x = 32,734,625.20
  5. Step 5: Solve for x
    x = 32,734,625.20/6,373.81
  6. Step 6: Final answer
    x = 5,135.80

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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.