Home / 8,087.83-12,124.53-3,156.32

Finding the Fourth Proportional to 8,087.83, 12,124.53 and 3,156.32

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Solution

The fourth proportional to 8,087.83, 12,124.53 and 3,156.32 is: 4,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.83 : 12,124.53 = 3,156.32 : x
  2. Step 2: Convert to fraction form
    8,087.83/12,124.53 = 3,156.32/x
  3. Step 3: Cross multiply
    8,087.83x = 12,124.53 × 3,156.32
  4. Step 4: Simplify right side
    8,087.83x = 38,268,880.75
  5. Step 5: Solve for x
    x = 38,268,880.75/8,087.83
  6. Step 6: Final answer
    x = 4,731.66

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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.