Home / 4,455.12-6,147.68-2,686.08

Finding the Fourth Proportional to 4,455.12, 6,147.68 and 2,686.08

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Solution

The fourth proportional to 4,455.12, 6,147.68 and 2,686.08 is: 3,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.12 : 6,147.68 = 2,686.08 : x
  2. Step 2: Convert to fraction form
    4,455.12/6,147.68 = 2,686.08/x
  3. Step 3: Cross multiply
    4,455.12x = 6,147.68 × 2,686.08
  4. Step 4: Simplify right side
    4,455.12x = 16,513,160.29
  5. Step 5: Solve for x
    x = 16,513,160.29/4,455.12
  6. Step 6: Final answer
    x = 3,706.56

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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.