Home / 5,417.32-8,126.66-1,906.50

Finding the Fourth Proportional to 5,417.32, 8,126.66 and 1,906.50

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Solution

The fourth proportional to 5,417.32, 8,126.66 and 1,906.50 is: 2,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.32 : 8,126.66 = 1,906.50 : x
  2. Step 2: Convert to fraction form
    5,417.32/8,126.66 = 1,906.50/x
  3. Step 3: Cross multiply
    5,417.32x = 8,126.66 × 1,906.50
  4. Step 4: Simplify right side
    5,417.32x = 15,493,477.29
  5. Step 5: Solve for x
    x = 15,493,477.29/5,417.32
  6. Step 6: Final answer
    x = 2,859.99

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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.