Home / 7,389.14-11,081.55-6,087.38

Finding the Fourth Proportional to 7,389.14, 11,081.55 and 6,087.38

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Solution

The fourth proportional to 7,389.14, 11,081.55 and 6,087.38 is: 9,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.14 : 11,081.55 = 6,087.38 : x
  2. Step 2: Convert to fraction form
    7,389.14/11,081.55 = 6,087.38/x
  3. Step 3: Cross multiply
    7,389.14x = 11,081.55 × 6,087.38
  4. Step 4: Simplify right side
    7,389.14x = 67,457,605.84
  5. Step 5: Solve for x
    x = 67,457,605.84/7,389.14
  6. Step 6: Final answer
    x = 9,129.29

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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.