Home / 6,103.40-9,144.30-5,412.20

Finding the Fourth Proportional to 6,103.40, 9,144.30 and 5,412.20

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Solution

The fourth proportional to 6,103.40, 9,144.30 and 5,412.20 is: 8,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.40 : 9,144.30 = 5,412.20 : x
  2. Step 2: Convert to fraction form
    6,103.40/9,144.30 = 5,412.20/x
  3. Step 3: Cross multiply
    6,103.40x = 9,144.30 × 5,412.20
  4. Step 4: Simplify right side
    6,103.40x = 49,490,780.46
  5. Step 5: Solve for x
    x = 49,490,780.46/6,103.40
  6. Step 6: Final answer
    x = 8,108.72

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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.