Home / 4,810.50-6,638.49-2,947.50

Finding the Fourth Proportional to 4,810.50, 6,638.49 and 2,947.50

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Solution

The fourth proportional to 4,810.50, 6,638.49 and 2,947.50 is: 4,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.50 : 6,638.49 = 2,947.50 : x
  2. Step 2: Convert to fraction form
    4,810.50/6,638.49 = 2,947.50/x
  3. Step 3: Cross multiply
    4,810.50x = 6,638.49 × 2,947.50
  4. Step 4: Simplify right side
    4,810.50x = 19,566,949.28
  5. Step 5: Solve for x
    x = 19,566,949.28/4,810.50
  6. Step 6: Final answer
    x = 4,067.55

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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.