Home / 4,217.55-6,321.19-2,985.32

Finding the Fourth Proportional to 4,217.55, 6,321.19 and 2,985.32

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Solution

The fourth proportional to 4,217.55, 6,321.19 and 2,985.32 is: 4,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.55 : 6,321.19 = 2,985.32 : x
  2. Step 2: Convert to fraction form
    4,217.55/6,321.19 = 2,985.32/x
  3. Step 3: Cross multiply
    4,217.55x = 6,321.19 × 2,985.32
  4. Step 4: Simplify right side
    4,217.55x = 18,870,774.93
  5. Step 5: Solve for x
    x = 18,870,774.93/4,217.55
  6. Step 6: Final answer
    x = 4,474.35

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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.