Home / 7,106.04-10,659.06-2,175.78

Finding the Fourth Proportional to 7,106.04, 10,659.06 and 2,175.78

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Solution

The fourth proportional to 7,106.04, 10,659.06 and 2,175.78 is: 3,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.04 : 10,659.06 = 2,175.78 : x
  2. Step 2: Convert to fraction form
    7,106.04/10,659.06 = 2,175.78/x
  3. Step 3: Cross multiply
    7,106.04x = 10,659.06 × 2,175.78
  4. Step 4: Simplify right side
    7,106.04x = 23,191,769.57
  5. Step 5: Solve for x
    x = 23,191,769.57/7,106.04
  6. Step 6: Final answer
    x = 3,263.67

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Double scale
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Similar ratio
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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.