Home / 4,265.46-6,400.62-2,805.30

Finding the Fourth Proportional to 4,265.46, 6,400.62 and 2,805.30

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Solution

The fourth proportional to 4,265.46, 6,400.62 and 2,805.30 is: 4,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.46 : 6,400.62 = 2,805.30 : x
  2. Step 2: Convert to fraction form
    4,265.46/6,400.62 = 2,805.30/x
  3. Step 3: Cross multiply
    4,265.46x = 6,400.62 × 2,805.30
  4. Step 4: Simplify right side
    4,265.46x = 17,955,659.29
  5. Step 5: Solve for x
    x = 17,955,659.29/4,265.46
  6. Step 6: Final answer
    x = 4,209.55

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1.5x scale

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.