Home / 4,160.17-6,238.88-1,386.08

Finding the Fourth Proportional to 4,160.17, 6,238.88 and 1,386.08

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Solution

The fourth proportional to 4,160.17, 6,238.88 and 1,386.08 is: 2,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.17 : 6,238.88 = 1,386.08 : x
  2. Step 2: Convert to fraction form
    4,160.17/6,238.88 = 1,386.08/x
  3. Step 3: Cross multiply
    4,160.17x = 6,238.88 × 1,386.08
  4. Step 4: Simplify right side
    4,160.17x = 8,647,548.67
  5. Step 5: Solve for x
    x = 8,647,548.67/4,160.17
  6. Step 6: Final answer
    x = 2,078.66

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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.