Home / 4,764.32-6,568.80-3,928.40

Finding the Fourth Proportional to 4,764.32, 6,568.80 and 3,928.40

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Solution

The fourth proportional to 4,764.32, 6,568.80 and 3,928.40 is: 5,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.32 : 6,568.80 = 3,928.40 : x
  2. Step 2: Convert to fraction form
    4,764.32/6,568.80 = 3,928.40/x
  3. Step 3: Cross multiply
    4,764.32x = 6,568.80 × 3,928.40
  4. Step 4: Simplify right side
    4,764.32x = 25,804,873.92
  5. Step 5: Solve for x
    x = 25,804,873.92/4,764.32
  6. Step 6: Final answer
    x = 5,416.28

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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.