Home / 6,417.55-8,856-3,584.90

Finding the Fourth Proportional to 6,417.55, 8,856 and 3,584.90

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Solution

The fourth proportional to 6,417.55, 8,856 and 3,584.90 is: 4,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.55 : 8,856 = 3,584.90 : x
  2. Step 2: Convert to fraction form
    6,417.55/8,856 = 3,584.90/x
  3. Step 3: Cross multiply
    6,417.55x = 8,856 × 3,584.90
  4. Step 4: Simplify right side
    6,417.55x = 31,747,874.40
  5. Step 5: Solve for x
    x = 31,747,874.40/6,417.55
  6. Step 6: Final answer
    x = 4,947.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.