Home / 8,087.84-12,129.60-3,707.36

Finding the Fourth Proportional to 8,087.84, 12,129.60 and 3,707.36

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Solution

The fourth proportional to 8,087.84, 12,129.60 and 3,707.36 is: 5,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.84 : 12,129.60 = 3,707.36 : x
  2. Step 2: Convert to fraction form
    8,087.84/12,129.60 = 3,707.36/x
  3. Step 3: Cross multiply
    8,087.84x = 12,129.60 × 3,707.36
  4. Step 4: Simplify right side
    8,087.84x = 44,968,793.86
  5. Step 5: Solve for x
    x = 44,968,793.86/8,087.84
  6. Step 6: Final answer
    x = 5,560.05

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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.