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Finding the Fourth Proportional to 6,681.90, 10,022.22 and 2,520.12

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Solution

The fourth proportional to 6,681.90, 10,022.22 and 2,520.12 is: 3,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.90 : 10,022.22 = 2,520.12 : x
  2. Step 2: Convert to fraction form
    6,681.90/10,022.22 = 2,520.12/x
  3. Step 3: Cross multiply
    6,681.90x = 10,022.22 × 2,520.12
  4. Step 4: Simplify right side
    6,681.90x = 25,257,197.07
  5. Step 5: Solve for x
    x = 25,257,197.07/6,681.90
  6. Step 6: Final answer
    x = 3,779.94

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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.