Home / 4,455.24-6,147.66-2,686.20

Finding the Fourth Proportional to 4,455.24, 6,147.66 and 2,686.20

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Solution

The fourth proportional to 4,455.24, 6,147.66 and 2,686.20 is: 3,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.24 : 6,147.66 = 2,686.20 : x
  2. Step 2: Convert to fraction form
    4,455.24/6,147.66 = 2,686.20/x
  3. Step 3: Cross multiply
    4,455.24x = 6,147.66 × 2,686.20
  4. Step 4: Simplify right side
    4,455.24x = 16,513,844.29
  5. Step 5: Solve for x
    x = 16,513,844.29/4,455.24
  6. Step 6: Final answer
    x = 3,706.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.