Home / 9,715.62-14,573.44-2,790.12

Finding the Fourth Proportional to 9,715.62, 14,573.44 and 2,790.12

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Solution

The fourth proportional to 9,715.62, 14,573.44 and 2,790.12 is: 4,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.62 : 14,573.44 = 2,790.12 : x
  2. Step 2: Convert to fraction form
    9,715.62/14,573.44 = 2,790.12/x
  3. Step 3: Cross multiply
    9,715.62x = 14,573.44 × 2,790.12
  4. Step 4: Simplify right side
    9,715.62x = 40,661,646.41
  5. Step 5: Solve for x
    x = 40,661,646.41/9,715.62
  6. Step 6: Final answer
    x = 4,185.18

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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.