Home / 7,866.40-11,799.57-2,937.28

Finding the Fourth Proportional to 7,866.40, 11,799.57 and 2,937.28

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Solution

The fourth proportional to 7,866.40, 11,799.57 and 2,937.28 is: 4,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.40 : 11,799.57 = 2,937.28 : x
  2. Step 2: Convert to fraction form
    7,866.40/11,799.57 = 2,937.28/x
  3. Step 3: Cross multiply
    7,866.40x = 11,799.57 × 2,937.28
  4. Step 4: Simplify right side
    7,866.40x = 34,658,640.97
  5. Step 5: Solve for x
    x = 34,658,640.97/7,866.40
  6. Step 6: Final answer
    x = 4,405.91

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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.