Home / 4,127.79-6,184.47-3,438.88

Finding the Fourth Proportional to 4,127.79, 6,184.47 and 3,438.88

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Solution

The fourth proportional to 4,127.79, 6,184.47 and 3,438.88 is: 5,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.79 : 6,184.47 = 3,438.88 : x
  2. Step 2: Convert to fraction form
    4,127.79/6,184.47 = 3,438.88/x
  3. Step 3: Cross multiply
    4,127.79x = 6,184.47 × 3,438.88
  4. Step 4: Simplify right side
    4,127.79x = 21,267,650.19
  5. Step 5: Solve for x
    x = 21,267,650.19/4,127.79
  6. Step 6: Final answer
    x = 5,152.31

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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.