Home / 8,463.24-12,695.71-2,915.86

Finding the Fourth Proportional to 8,463.24, 12,695.71 and 2,915.86

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Solution

The fourth proportional to 8,463.24, 12,695.71 and 2,915.86 is: 4,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.24 : 12,695.71 = 2,915.86 : x
  2. Step 2: Convert to fraction form
    8,463.24/12,695.71 = 2,915.86/x
  3. Step 3: Cross multiply
    8,463.24x = 12,695.71 × 2,915.86
  4. Step 4: Simplify right side
    8,463.24x = 37,018,912.96
  5. Step 5: Solve for x
    x = 37,018,912.96/8,463.24
  6. Step 6: Final answer
    x = 4,374.08

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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.