Home / 7,087.05-10,630.75-3,389.67

Finding the Fourth Proportional to 7,087.05, 10,630.75 and 3,389.67

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Solution

The fourth proportional to 7,087.05, 10,630.75 and 3,389.67 is: 5,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.05 : 10,630.75 = 3,389.67 : x
  2. Step 2: Convert to fraction form
    7,087.05/10,630.75 = 3,389.67/x
  3. Step 3: Cross multiply
    7,087.05x = 10,630.75 × 3,389.67
  4. Step 4: Simplify right side
    7,087.05x = 36,034,734.35
  5. Step 5: Solve for x
    x = 36,034,734.35/7,087.05
  6. Step 6: Final answer
    x = 5,084.59

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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.