Home / 7,841.40-11,758.74-2,644.92

Finding the Fourth Proportional to 7,841.40, 11,758.74 and 2,644.92

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Solution

The fourth proportional to 7,841.40, 11,758.74 and 2,644.92 is: 3,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.40 : 11,758.74 = 2,644.92 : x
  2. Step 2: Convert to fraction form
    7,841.40/11,758.74 = 2,644.92/x
  3. Step 3: Cross multiply
    7,841.40x = 11,758.74 × 2,644.92
  4. Step 4: Simplify right side
    7,841.40x = 31,100,926.60
  5. Step 5: Solve for x
    x = 31,100,926.60/7,841.40
  6. Step 6: Final answer
    x = 3,966.25

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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.