Home / 4,307.78-5,945.30-2,629.41

Finding the Fourth Proportional to 4,307.78, 5,945.30 and 2,629.41

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Solution

The fourth proportional to 4,307.78, 5,945.30 and 2,629.41 is: 3,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.78 : 5,945.30 = 2,629.41 : x
  2. Step 2: Convert to fraction form
    4,307.78/5,945.30 = 2,629.41/x
  3. Step 3: Cross multiply
    4,307.78x = 5,945.30 × 2,629.41
  4. Step 4: Simplify right side
    4,307.78x = 15,632,639.13
  5. Step 5: Solve for x
    x = 15,632,639.13/4,307.78
  6. Step 6: Final answer
    x = 3,628.93

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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.