Home / 4,089.20-6,126.60-2,548.40

Finding the Fourth Proportional to 4,089.20, 6,126.60 and 2,548.40

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Solution

The fourth proportional to 4,089.20, 6,126.60 and 2,548.40 is: 3,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.20 : 6,126.60 = 2,548.40 : x
  2. Step 2: Convert to fraction form
    4,089.20/6,126.60 = 2,548.40/x
  3. Step 3: Cross multiply
    4,089.20x = 6,126.60 × 2,548.40
  4. Step 4: Simplify right side
    4,089.20x = 15,613,027.44
  5. Step 5: Solve for x
    x = 15,613,027.44/4,089.20
  6. Step 6: Final answer
    x = 3,818.11

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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.