Home / 8,529.36-12,839.28-6,081.12

Finding the Fourth Proportional to 8,529.36, 12,839.28 and 6,081.12

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Solution

The fourth proportional to 8,529.36, 12,839.28 and 6,081.12 is: 9,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.36 : 12,839.28 = 6,081.12 : x
  2. Step 2: Convert to fraction form
    8,529.36/12,839.28 = 6,081.12/x
  3. Step 3: Cross multiply
    8,529.36x = 12,839.28 × 6,081.12
  4. Step 4: Simplify right side
    8,529.36x = 78,077,202.39
  5. Step 5: Solve for x
    x = 78,077,202.39/8,529.36
  6. Step 6: Final answer
    x = 9,153.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.