Home / 6,417-8,855.60-3,622.50

Finding the Fourth Proportional to 6,417, 8,855.60 and 3,622.50

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Solution

The fourth proportional to 6,417, 8,855.60 and 3,622.50 is: 4,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417 : 8,855.60 = 3,622.50 : x
  2. Step 2: Convert to fraction form
    6,417/8,855.60 = 3,622.50/x
  3. Step 3: Cross multiply
    6,417x = 8,855.60 × 3,622.50
  4. Step 4: Simplify right side
    6,417x = 32,079,411
  5. Step 5: Solve for x
    x = 32,079,411/6,417
  6. Step 6: Final answer
    x = 4,999.13

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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.