Home / 7,103.42-10,655.11-2,173.05

Finding the Fourth Proportional to 7,103.42, 10,655.11 and 2,173.05

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Solution

The fourth proportional to 7,103.42, 10,655.11 and 2,173.05 is: 3,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.42 : 10,655.11 = 2,173.05 : x
  2. Step 2: Convert to fraction form
    7,103.42/10,655.11 = 2,173.05/x
  3. Step 3: Cross multiply
    7,103.42x = 10,655.11 × 2,173.05
  4. Step 4: Simplify right side
    7,103.42x = 23,154,086.79
  5. Step 5: Solve for x
    x = 23,154,086.79/7,103.42
  6. Step 6: Final answer
    x = 3,259.57

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Half scale
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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.