Home / 8,116.83-12,175.80-2,570.28

Finding the Fourth Proportional to 8,116.83, 12,175.80 and 2,570.28

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Solution

The fourth proportional to 8,116.83, 12,175.80 and 2,570.28 is: 3,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.83 : 12,175.80 = 2,570.28 : x
  2. Step 2: Convert to fraction form
    8,116.83/12,175.80 = 2,570.28/x
  3. Step 3: Cross multiply
    8,116.83x = 12,175.80 × 2,570.28
  4. Step 4: Simplify right side
    8,116.83x = 31,295,215.22
  5. Step 5: Solve for x
    x = 31,295,215.22/8,116.83
  6. Step 6: Final answer
    x = 3,855.60

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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.