Home / 6,381.80-8,806.26-3,587.24

Finding the Fourth Proportional to 6,381.80, 8,806.26 and 3,587.24

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Solution

The fourth proportional to 6,381.80, 8,806.26 and 3,587.24 is: 4,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.80 : 8,806.26 = 3,587.24 : x
  2. Step 2: Convert to fraction form
    6,381.80/8,806.26 = 3,587.24/x
  3. Step 3: Cross multiply
    6,381.80x = 8,806.26 × 3,587.24
  4. Step 4: Simplify right side
    6,381.80x = 31,590,168.12
  5. Step 5: Solve for x
    x = 31,590,168.12/6,381.80
  6. Step 6: Final answer
    x = 4,950.04

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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.