Home / 5,555.07-8,333.82-1,856.61

Finding the Fourth Proportional to 5,555.07, 8,333.82 and 1,856.61

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Solution

The fourth proportional to 5,555.07, 8,333.82 and 1,856.61 is: 2,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.07 : 8,333.82 = 1,856.61 : x
  2. Step 2: Convert to fraction form
    5,555.07/8,333.82 = 1,856.61/x
  3. Step 3: Cross multiply
    5,555.07x = 8,333.82 × 1,856.61
  4. Step 4: Simplify right side
    5,555.07x = 15,472,653.55
  5. Step 5: Solve for x
    x = 15,472,653.55/5,555.07
  6. Step 6: Final answer
    x = 2,785.32

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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.