Home / 6,216-8,577.44-3,420.96

Finding the Fourth Proportional to 6,216, 8,577.44 and 3,420.96

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Solution

The fourth proportional to 6,216, 8,577.44 and 3,420.96 is: 4,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216 : 8,577.44 = 3,420.96 : x
  2. Step 2: Convert to fraction form
    6,216/8,577.44 = 3,420.96/x
  3. Step 3: Cross multiply
    6,216x = 8,577.44 × 3,420.96
  4. Step 4: Simplify right side
    6,216x = 29,343,079.14
  5. Step 5: Solve for x
    x = 29,343,079.14/6,216
  6. Step 6: Final answer
    x = 4,720.57

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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.