Home / 4,945.69-6,827.28-3,155.58

Finding the Fourth Proportional to 4,945.69, 6,827.28 and 3,155.58

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Solution

The fourth proportional to 4,945.69, 6,827.28 and 3,155.58 is: 4,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.69 : 6,827.28 = 3,155.58 : x
  2. Step 2: Convert to fraction form
    4,945.69/6,827.28 = 3,155.58/x
  3. Step 3: Cross multiply
    4,945.69x = 6,827.28 × 3,155.58
  4. Step 4: Simplify right side
    4,945.69x = 21,544,028.22
  5. Step 5: Solve for x
    x = 21,544,028.22/4,945.69
  6. Step 6: Final answer
    x = 4,356.12

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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.