Home / 6,464.64-9,699.04-2,718.24

Finding the Fourth Proportional to 6,464.64, 9,699.04 and 2,718.24

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Solution

The fourth proportional to 6,464.64, 9,699.04 and 2,718.24 is: 4,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.64 : 9,699.04 = 2,718.24 : x
  2. Step 2: Convert to fraction form
    6,464.64/9,699.04 = 2,718.24/x
  3. Step 3: Cross multiply
    6,464.64x = 9,699.04 × 2,718.24
  4. Step 4: Simplify right side
    6,464.64x = 26,364,318.49
  5. Step 5: Solve for x
    x = 26,364,318.49/6,464.64
  6. Step 6: Final answer
    x = 4,078.23

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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.