Home / 4,307.85-5,945.39-2,628.91

Finding the Fourth Proportional to 4,307.85, 5,945.39 and 2,628.91

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Solution

The fourth proportional to 4,307.85, 5,945.39 and 2,628.91 is: 3,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.85 : 5,945.39 = 2,628.91 : x
  2. Step 2: Convert to fraction form
    4,307.85/5,945.39 = 2,628.91/x
  3. Step 3: Cross multiply
    4,307.85x = 5,945.39 × 2,628.91
  4. Step 4: Simplify right side
    4,307.85x = 15,629,886.93
  5. Step 5: Solve for x
    x = 15,629,886.93/4,307.85
  6. Step 6: Final answer
    x = 3,628.23

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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.