Home / 4,305.60-6,422.04-3,928.32

Finding the Fourth Proportional to 4,305.60, 6,422.04 and 3,928.32

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Solution

The fourth proportional to 4,305.60, 6,422.04 and 3,928.32 is: 5,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.60 : 6,422.04 = 3,928.32 : x
  2. Step 2: Convert to fraction form
    4,305.60/6,422.04 = 3,928.32/x
  3. Step 3: Cross multiply
    4,305.60x = 6,422.04 × 3,928.32
  4. Step 4: Simplify right side
    4,305.60x = 25,227,828.17
  5. Step 5: Solve for x
    x = 25,227,828.17/4,305.60
  6. Step 6: Final answer
    x = 5,859.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.