Home / 6,455.64-9,685.68-2,073.24

Finding the Fourth Proportional to 6,455.64, 9,685.68 and 2,073.24

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Solution

The fourth proportional to 6,455.64, 9,685.68 and 2,073.24 is: 3,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.64 : 9,685.68 = 2,073.24 : x
  2. Step 2: Convert to fraction form
    6,455.64/9,685.68 = 2,073.24/x
  3. Step 3: Cross multiply
    6,455.64x = 9,685.68 × 2,073.24
  4. Step 4: Simplify right side
    6,455.64x = 20,080,739.20
  5. Step 5: Solve for x
    x = 20,080,739.20/6,455.64
  6. Step 6: Final answer
    x = 3,110.57

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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.