Home / 7,105.14-10,656.10-2,106.48

Finding the Fourth Proportional to 7,105.14, 10,656.10 and 2,106.48

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Solution

The fourth proportional to 7,105.14, 10,656.10 and 2,106.48 is: 3,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.14 : 10,656.10 = 2,106.48 : x
  2. Step 2: Convert to fraction form
    7,105.14/10,656.10 = 2,106.48/x
  3. Step 3: Cross multiply
    7,105.14x = 10,656.10 × 2,106.48
  4. Step 4: Simplify right side
    7,105.14x = 22,446,861.53
  5. Step 5: Solve for x
    x = 22,446,861.53/7,105.14
  6. Step 6: Final answer
    x = 3,159.24

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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.