Home / 8,726.72-13,090.60-2,883.38

Finding the Fourth Proportional to 8,726.72, 13,090.60 and 2,883.38

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Solution

The fourth proportional to 8,726.72, 13,090.60 and 2,883.38 is: 4,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.72 : 13,090.60 = 2,883.38 : x
  2. Step 2: Convert to fraction form
    8,726.72/13,090.60 = 2,883.38/x
  3. Step 3: Cross multiply
    8,726.72x = 13,090.60 × 2,883.38
  4. Step 4: Simplify right side
    8,726.72x = 37,745,174.23
  5. Step 5: Solve for x
    x = 37,745,174.23/8,726.72
  6. Step 6: Final answer
    x = 4,325.24

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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.