Home / 6,515.30-9,772.81-1,584.96

Finding the Fourth Proportional to 6,515.30, 9,772.81 and 1,584.96

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Solution

The fourth proportional to 6,515.30, 9,772.81 and 1,584.96 is: 2,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.30 : 9,772.81 = 1,584.96 : x
  2. Step 2: Convert to fraction form
    6,515.30/9,772.81 = 1,584.96/x
  3. Step 3: Cross multiply
    6,515.30x = 9,772.81 × 1,584.96
  4. Step 4: Simplify right side
    6,515.30x = 15,489,508.98
  5. Step 5: Solve for x
    x = 15,489,508.98/6,515.30
  6. Step 6: Final answer
    x = 2,377.41

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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.