Home / 4,809.50-6,635.98-2,921.04

Finding the Fourth Proportional to 4,809.50, 6,635.98 and 2,921.04

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Solution

The fourth proportional to 4,809.50, 6,635.98 and 2,921.04 is: 4,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.50 : 6,635.98 = 2,921.04 : x
  2. Step 2: Convert to fraction form
    4,809.50/6,635.98 = 2,921.04/x
  3. Step 3: Cross multiply
    4,809.50x = 6,635.98 × 2,921.04
  4. Step 4: Simplify right side
    4,809.50x = 19,383,963.02
  5. Step 5: Solve for x
    x = 19,383,963.02/4,809.50
  6. Step 6: Final answer
    x = 4,030.35

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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.