Home / 7,087.45-10,626.61-3,389.60

Finding the Fourth Proportional to 7,087.45, 10,626.61 and 3,389.60

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Solution

The fourth proportional to 7,087.45, 10,626.61 and 3,389.60 is: 5,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.45 : 10,626.61 = 3,389.60 : x
  2. Step 2: Convert to fraction form
    7,087.45/10,626.61 = 3,389.60/x
  3. Step 3: Cross multiply
    7,087.45x = 10,626.61 × 3,389.60
  4. Step 4: Simplify right side
    7,087.45x = 36,019,957.26
  5. Step 5: Solve for x
    x = 36,019,957.26/7,087.45
  6. Step 6: Final answer
    x = 5,082.22

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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.