Home / 8,634.38-11,915.57-5,494.82

Finding the Fourth Proportional to 8,634.38, 11,915.57 and 5,494.82

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Solution

The fourth proportional to 8,634.38, 11,915.57 and 5,494.82 is: 7,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.38 : 11,915.57 = 5,494.82 : x
  2. Step 2: Convert to fraction form
    8,634.38/11,915.57 = 5,494.82/x
  3. Step 3: Cross multiply
    8,634.38x = 11,915.57 × 5,494.82
  4. Step 4: Simplify right side
    8,634.38x = 65,473,866.51
  5. Step 5: Solve for x
    x = 65,473,866.51/8,634.38
  6. Step 6: Final answer
    x = 7,582.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.