Home / 7,740.87-11,611.95-2,476.65

Finding the Fourth Proportional to 7,740.87, 11,611.95 and 2,476.65

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Solution

The fourth proportional to 7,740.87, 11,611.95 and 2,476.65 is: 3,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.87 : 11,611.95 = 2,476.65 : x
  2. Step 2: Convert to fraction form
    7,740.87/11,611.95 = 2,476.65/x
  3. Step 3: Cross multiply
    7,740.87x = 11,611.95 × 2,476.65
  4. Step 4: Simplify right side
    7,740.87x = 28,758,735.97
  5. Step 5: Solve for x
    x = 28,758,735.97/7,740.87
  6. Step 6: Final answer
    x = 3,715.18

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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.