Home / 8,156.18-12,234.95-2,610.32

Finding the Fourth Proportional to 8,156.18, 12,234.95 and 2,610.32

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Solution

The fourth proportional to 8,156.18, 12,234.95 and 2,610.32 is: 3,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.18 : 12,234.95 = 2,610.32 : x
  2. Step 2: Convert to fraction form
    8,156.18/12,234.95 = 2,610.32/x
  3. Step 3: Cross multiply
    8,156.18x = 12,234.95 × 2,610.32
  4. Step 4: Simplify right side
    8,156.18x = 31,937,060.46
  5. Step 5: Solve for x
    x = 31,937,060.46/8,156.18
  6. Step 6: Final answer
    x = 3,915.69

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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.