Home / 7,103.40-10,654.71-2,173.04

Finding the Fourth Proportional to 7,103.40, 10,654.71 and 2,173.04

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Solution

The fourth proportional to 7,103.40, 10,654.71 and 2,173.04 is: 3,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.40 : 10,654.71 = 2,173.04 : x
  2. Step 2: Convert to fraction form
    7,103.40/10,654.71 = 2,173.04/x
  3. Step 3: Cross multiply
    7,103.40x = 10,654.71 × 2,173.04
  4. Step 4: Simplify right side
    7,103.40x = 23,153,119.86
  5. Step 5: Solve for x
    x = 23,153,119.86/7,103.40
  6. Step 6: Final answer
    x = 3,259.44

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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.