Home / 8,575.61-11,830.86-5,215.73

Finding the Fourth Proportional to 8,575.61, 11,830.86 and 5,215.73

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Solution

The fourth proportional to 8,575.61, 11,830.86 and 5,215.73 is: 7,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.61 : 11,830.86 = 5,215.73 : x
  2. Step 2: Convert to fraction form
    8,575.61/11,830.86 = 5,215.73/x
  3. Step 3: Cross multiply
    8,575.61x = 11,830.86 × 5,215.73
  4. Step 4: Simplify right side
    8,575.61x = 61,706,512.27
  5. Step 5: Solve for x
    x = 61,706,512.27/8,575.61
  6. Step 6: Final answer
    x = 7,195.59

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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.