Home / 7,011.56-10,517.33-4,087.81

Finding the Fourth Proportional to 7,011.56, 10,517.33 and 4,087.81

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Solution

The fourth proportional to 7,011.56, 10,517.33 and 4,087.81 is: 6,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.56 : 10,517.33 = 4,087.81 : x
  2. Step 2: Convert to fraction form
    7,011.56/10,517.33 = 4,087.81/x
  3. Step 3: Cross multiply
    7,011.56x = 10,517.33 × 4,087.81
  4. Step 4: Simplify right side
    7,011.56x = 42,992,869.90
  5. Step 5: Solve for x
    x = 42,992,869.90/7,011.56
  6. Step 6: Final answer
    x = 6,131.72

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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.