Home / 5,515.83-8,254.31-4,206.87

Finding the Fourth Proportional to 5,515.83, 8,254.31 and 4,206.87

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Solution

The fourth proportional to 5,515.83, 8,254.31 and 4,206.87 is: 6,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.83 : 8,254.31 = 4,206.87 : x
  2. Step 2: Convert to fraction form
    5,515.83/8,254.31 = 4,206.87/x
  3. Step 3: Cross multiply
    5,515.83x = 8,254.31 × 4,206.87
  4. Step 4: Simplify right side
    5,515.83x = 34,724,788.08
  5. Step 5: Solve for x
    x = 34,724,788.08/5,515.83
  6. Step 6: Final answer
    x = 6,295.48

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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.