Home / 6,384.21-8,810.18-3,589.71

Finding the Fourth Proportional to 6,384.21, 8,810.18 and 3,589.71

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Solution

The fourth proportional to 6,384.21, 8,810.18 and 3,589.71 is: 4,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.21 : 8,810.18 = 3,589.71 : x
  2. Step 2: Convert to fraction form
    6,384.21/8,810.18 = 3,589.71/x
  3. Step 3: Cross multiply
    6,384.21x = 8,810.18 × 3,589.71
  4. Step 4: Simplify right side
    6,384.21x = 31,625,991.25
  5. Step 5: Solve for x
    x = 31,625,991.25/6,384.21
  6. Step 6: Final answer
    x = 4,953.78

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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.