Home / 4,947.69-6,827.40-2,823.30

Finding the Fourth Proportional to 4,947.69, 6,827.40 and 2,823.30

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Solution

The fourth proportional to 4,947.69, 6,827.40 and 2,823.30 is: 3,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.69 : 6,827.40 = 2,823.30 : x
  2. Step 2: Convert to fraction form
    4,947.69/6,827.40 = 2,823.30/x
  3. Step 3: Cross multiply
    4,947.69x = 6,827.40 × 2,823.30
  4. Step 4: Simplify right side
    4,947.69x = 19,275,798.42
  5. Step 5: Solve for x
    x = 19,275,798.42/4,947.69
  6. Step 6: Final answer
    x = 3,895.92

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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.