Home / 7,545.80-11,311.40-2,611.74

Finding the Fourth Proportional to 7,545.80, 11,311.40 and 2,611.74

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Solution

The fourth proportional to 7,545.80, 11,311.40 and 2,611.74 is: 3,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.80 : 11,311.40 = 2,611.74 : x
  2. Step 2: Convert to fraction form
    7,545.80/11,311.40 = 2,611.74/x
  3. Step 3: Cross multiply
    7,545.80x = 11,311.40 × 2,611.74
  4. Step 4: Simplify right side
    7,545.80x = 29,542,435.84
  5. Step 5: Solve for x
    x = 29,542,435.84/7,545.80
  6. Step 6: Final answer
    x = 3,915.08

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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.