Home / 7,690.41-11,535.84-3,010.23

Finding the Fourth Proportional to 7,690.41, 11,535.84 and 3,010.23

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Solution

The fourth proportional to 7,690.41, 11,535.84 and 3,010.23 is: 4,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.41 : 11,535.84 = 3,010.23 : x
  2. Step 2: Convert to fraction form
    7,690.41/11,535.84 = 3,010.23/x
  3. Step 3: Cross multiply
    7,690.41x = 11,535.84 × 3,010.23
  4. Step 4: Simplify right side
    7,690.41x = 34,725,531.64
  5. Step 5: Solve for x
    x = 34,725,531.64/7,690.41
  6. Step 6: Final answer
    x = 4,515.43

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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.