Home / 4,127.89-6,191.61-1,354.19

Finding the Fourth Proportional to 4,127.89, 6,191.61 and 1,354.19

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Solution

The fourth proportional to 4,127.89, 6,191.61 and 1,354.19 is: 2,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.89 : 6,191.61 = 1,354.19 : x
  2. Step 2: Convert to fraction form
    4,127.89/6,191.61 = 1,354.19/x
  3. Step 3: Cross multiply
    4,127.89x = 6,191.61 × 1,354.19
  4. Step 4: Simplify right side
    4,127.89x = 8,384,643.98
  5. Step 5: Solve for x
    x = 8,384,643.98/4,127.89
  6. Step 6: Final answer
    x = 2,031.22

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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.