Home / 8,681.15-13,022.34-4,297.43

Finding the Fourth Proportional to 8,681.15, 13,022.34 and 4,297.43

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Solution

The fourth proportional to 8,681.15, 13,022.34 and 4,297.43 is: 6,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.15 : 13,022.34 = 4,297.43 : x
  2. Step 2: Convert to fraction form
    8,681.15/13,022.34 = 4,297.43/x
  3. Step 3: Cross multiply
    8,681.15x = 13,022.34 × 4,297.43
  4. Step 4: Simplify right side
    8,681.15x = 55,962,611.03
  5. Step 5: Solve for x
    x = 55,962,611.03/8,681.15
  6. Step 6: Final answer
    x = 6,446.45

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1.5x scale

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.