Home / 4,811.32-6,618.81-3,925.18

Finding the Fourth Proportional to 4,811.32, 6,618.81 and 3,925.18

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Solution

The fourth proportional to 4,811.32, 6,618.81 and 3,925.18 is: 5,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.32 : 6,618.81 = 3,925.18 : x
  2. Step 2: Convert to fraction form
    4,811.32/6,618.81 = 3,925.18/x
  3. Step 3: Cross multiply
    4,811.32x = 6,618.81 × 3,925.18
  4. Step 4: Simplify right side
    4,811.32x = 25,980,020.64
  5. Step 5: Solve for x
    x = 25,980,020.64/4,811.32
  6. Step 6: Final answer
    x = 5,399.77

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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.