Home / 8,334.29-11,493.86-6,915.71

Finding the Fourth Proportional to 8,334.29, 11,493.86 and 6,915.71

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Solution

The fourth proportional to 8,334.29, 11,493.86 and 6,915.71 is: 9,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.29 : 11,493.86 = 6,915.71 : x
  2. Step 2: Convert to fraction form
    8,334.29/11,493.86 = 6,915.71/x
  3. Step 3: Cross multiply
    8,334.29x = 11,493.86 × 6,915.71
  4. Step 4: Simplify right side
    8,334.29x = 79,488,110.49
  5. Step 5: Solve for x
    x = 79,488,110.49/8,334.29
  6. Step 6: Final answer
    x = 9,537.48

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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.