Home / 4,623.82-6,378.58-2,921.58

Finding the Fourth Proportional to 4,623.82, 6,378.58 and 2,921.58

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Solution

The fourth proportional to 4,623.82, 6,378.58 and 2,921.58 is: 4,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.82 : 6,378.58 = 2,921.58 : x
  2. Step 2: Convert to fraction form
    4,623.82/6,378.58 = 2,921.58/x
  3. Step 3: Cross multiply
    4,623.82x = 6,378.58 × 2,921.58
  4. Step 4: Simplify right side
    4,623.82x = 18,635,535.41
  5. Step 5: Solve for x
    x = 18,635,535.41/4,623.82
  6. Step 6: Final answer
    x = 4,030.34

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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.