Home / 7,102.12-10,653.18-3,403.56

Finding the Fourth Proportional to 7,102.12, 10,653.18 and 3,403.56

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Solution

The fourth proportional to 7,102.12, 10,653.18 and 3,403.56 is: 5,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.12 : 10,653.18 = 3,403.56 : x
  2. Step 2: Convert to fraction form
    7,102.12/10,653.18 = 3,403.56/x
  3. Step 3: Cross multiply
    7,102.12x = 10,653.18 × 3,403.56
  4. Step 4: Simplify right side
    7,102.12x = 36,258,737.32
  5. Step 5: Solve for x
    x = 36,258,737.32/7,102.12
  6. Step 6: Final answer
    x = 5,105.34

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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.