Home / 8,450.61-11,663.27-4,915.87

Finding the Fourth Proportional to 8,450.61, 11,663.27 and 4,915.87

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Solution

The fourth proportional to 8,450.61, 11,663.27 and 4,915.87 is: 6,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.61 : 11,663.27 = 4,915.87 : x
  2. Step 2: Convert to fraction form
    8,450.61/11,663.27 = 4,915.87/x
  3. Step 3: Cross multiply
    8,450.61x = 11,663.27 × 4,915.87
  4. Step 4: Simplify right side
    8,450.61x = 57,335,135.57
  5. Step 5: Solve for x
    x = 57,335,135.57/8,450.61
  6. Step 6: Final answer
    x = 6,784.73

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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.