Home / 5,817.32-8,726.42-1,814.20

Finding the Fourth Proportional to 5,817.32, 8,726.42 and 1,814.20

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Solution

The fourth proportional to 5,817.32, 8,726.42 and 1,814.20 is: 2,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.32 : 8,726.42 = 1,814.20 : x
  2. Step 2: Convert to fraction form
    5,817.32/8,726.42 = 1,814.20/x
  3. Step 3: Cross multiply
    5,817.32x = 8,726.42 × 1,814.20
  4. Step 4: Simplify right side
    5,817.32x = 15,831,443.68
  5. Step 5: Solve for x
    x = 15,831,443.68/5,817.32
  6. Step 6: Final answer
    x = 2,721.43

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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.