Home / 7,087.42-10,630.89-3,806.92

Finding the Fourth Proportional to 7,087.42, 10,630.89 and 3,806.92

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Solution

The fourth proportional to 7,087.42, 10,630.89 and 3,806.92 is: 5,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.42 : 10,630.89 = 3,806.92 : x
  2. Step 2: Convert to fraction form
    7,087.42/10,630.89 = 3,806.92/x
  3. Step 3: Cross multiply
    7,087.42x = 10,630.89 × 3,806.92
  4. Step 4: Simplify right side
    7,087.42x = 40,470,921.18
  5. Step 5: Solve for x
    x = 40,470,921.18/7,087.42
  6. Step 6: Final answer
    x = 5,710.25

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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.