Home / 4,127.88-6,191.12-1,354.48

Finding the Fourth Proportional to 4,127.88, 6,191.12 and 1,354.48

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Solution

The fourth proportional to 4,127.88, 6,191.12 and 1,354.48 is: 2,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.88 : 6,191.12 = 1,354.48 : x
  2. Step 2: Convert to fraction form
    4,127.88/6,191.12 = 1,354.48/x
  3. Step 3: Cross multiply
    4,127.88x = 6,191.12 × 1,354.48
  4. Step 4: Simplify right side
    4,127.88x = 8,385,748.22
  5. Step 5: Solve for x
    x = 8,385,748.22/4,127.88
  6. Step 6: Final answer
    x = 2,031.49

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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.