Home / 4,660.32-6,431.28-2,564.64

Finding the Fourth Proportional to 4,660.32, 6,431.28 and 2,564.64

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Solution

The fourth proportional to 4,660.32, 6,431.28 and 2,564.64 is: 3,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.32 : 6,431.28 = 2,564.64 : x
  2. Step 2: Convert to fraction form
    4,660.32/6,431.28 = 2,564.64/x
  3. Step 3: Cross multiply
    4,660.32x = 6,431.28 × 2,564.64
  4. Step 4: Simplify right side
    4,660.32x = 16,493,917.94
  5. Step 5: Solve for x
    x = 16,493,917.94/4,660.32
  6. Step 6: Final answer
    x = 3,539.22

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1.5x scale

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.