Home / 4,811.28-6,643.32-3,766.32

Finding the Fourth Proportional to 4,811.28, 6,643.32 and 3,766.32

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Solution

The fourth proportional to 4,811.28, 6,643.32 and 3,766.32 is: 5,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.28 : 6,643.32 = 3,766.32 : x
  2. Step 2: Convert to fraction form
    4,811.28/6,643.32 = 3,766.32/x
  3. Step 3: Cross multiply
    4,811.28x = 6,643.32 × 3,766.32
  4. Step 4: Simplify right side
    4,811.28x = 25,020,868.98
  5. Step 5: Solve for x
    x = 25,020,868.98/4,811.28
  6. Step 6: Final answer
    x = 5,200.46

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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.