Home / 4,811.47-6,639.11-2,922.07

Finding the Fourth Proportional to 4,811.47, 6,639.11 and 2,922.07

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Solution

The fourth proportional to 4,811.47, 6,639.11 and 2,922.07 is: 4,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.47 : 6,639.11 = 2,922.07 : x
  2. Step 2: Convert to fraction form
    4,811.47/6,639.11 = 2,922.07/x
  3. Step 3: Cross multiply
    4,811.47x = 6,639.11 × 2,922.07
  4. Step 4: Simplify right side
    4,811.47x = 19,399,910.96
  5. Step 5: Solve for x
    x = 19,399,910.96/4,811.47
  6. Step 6: Final answer
    x = 4,032.01

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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.