Home / 6,515.10-9,772.66-1,584.75

Finding the Fourth Proportional to 6,515.10, 9,772.66 and 1,584.75

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Solution

The fourth proportional to 6,515.10, 9,772.66 and 1,584.75 is: 2,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.10 : 9,772.66 = 1,584.75 : x
  2. Step 2: Convert to fraction form
    6,515.10/9,772.66 = 1,584.75/x
  3. Step 3: Cross multiply
    6,515.10x = 9,772.66 × 1,584.75
  4. Step 4: Simplify right side
    6,515.10x = 15,487,166.15
  5. Step 5: Solve for x
    x = 15,487,166.15/6,515.10
  6. Step 6: Final answer
    x = 2,377.12

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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.