Home / 4,945.47-6,824.30-2,955.57

Finding the Fourth Proportional to 4,945.47, 6,824.30 and 2,955.57

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Solution

The fourth proportional to 4,945.47, 6,824.30 and 2,955.57 is: 4,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.47 : 6,824.30 = 2,955.57 : x
  2. Step 2: Convert to fraction form
    4,945.47/6,824.30 = 2,955.57/x
  3. Step 3: Cross multiply
    4,945.47x = 6,824.30 × 2,955.57
  4. Step 4: Simplify right side
    4,945.47x = 20,169,681.57
  5. Step 5: Solve for x
    x = 20,169,681.57/4,945.47
  6. Step 6: Final answer
    x = 4,078.42

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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.