Home / 8,511.40-12,767.51-2,668.06

Finding the Fourth Proportional to 8,511.40, 12,767.51 and 2,668.06

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Solution

The fourth proportional to 8,511.40, 12,767.51 and 2,668.06 is: 4,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.40 : 12,767.51 = 2,668.06 : x
  2. Step 2: Convert to fraction form
    8,511.40/12,767.51 = 2,668.06/x
  3. Step 3: Cross multiply
    8,511.40x = 12,767.51 × 2,668.06
  4. Step 4: Simplify right side
    8,511.40x = 34,064,482.73
  5. Step 5: Solve for x
    x = 34,064,482.73/8,511.40
  6. Step 6: Final answer
    x = 4,002.22

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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.