Home / 6,087.64-9,115.69-5,215.73

Finding the Fourth Proportional to 6,087.64, 9,115.69 and 5,215.73

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Solution

The fourth proportional to 6,087.64, 9,115.69 and 5,215.73 is: 7,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.64 : 9,115.69 = 5,215.73 : x
  2. Step 2: Convert to fraction form
    6,087.64/9,115.69 = 5,215.73/x
  3. Step 3: Cross multiply
    6,087.64x = 9,115.69 × 5,215.73
  4. Step 4: Simplify right side
    6,087.64x = 47,544,928.97
  5. Step 5: Solve for x
    x = 47,544,928.97/6,087.64
  6. Step 6: Final answer
    x = 7,810.08

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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.