Home / 4,664.40-6,436.56-2,896.20

Finding the Fourth Proportional to 4,664.40, 6,436.56 and 2,896.20

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Solution

The fourth proportional to 4,664.40, 6,436.56 and 2,896.20 is: 3,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.40 : 6,436.56 = 2,896.20 : x
  2. Step 2: Convert to fraction form
    4,664.40/6,436.56 = 2,896.20/x
  3. Step 3: Cross multiply
    4,664.40x = 6,436.56 × 2,896.20
  4. Step 4: Simplify right side
    4,664.40x = 18,641,565.07
  5. Step 5: Solve for x
    x = 18,641,565.07/4,664.40
  6. Step 6: Final answer
    x = 3,996.56

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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.