Home / 4,307.61-5,945.05-2,628.66

Finding the Fourth Proportional to 4,307.61, 5,945.05 and 2,628.66

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Solution

The fourth proportional to 4,307.61, 5,945.05 and 2,628.66 is: 3,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.61 : 5,945.05 = 2,628.66 : x
  2. Step 2: Convert to fraction form
    4,307.61/5,945.05 = 2,628.66/x
  3. Step 3: Cross multiply
    4,307.61x = 5,945.05 × 2,628.66
  4. Step 4: Simplify right side
    4,307.61x = 15,627,472.26
  5. Step 5: Solve for x
    x = 15,627,472.26/4,307.61
  6. Step 6: Final answer
    x = 3,627.88

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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.