Home / 4,720.28-7,084.07-3,330.64

Finding the Fourth Proportional to 4,720.28, 7,084.07 and 3,330.64

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Solution

The fourth proportional to 4,720.28, 7,084.07 and 3,330.64 is: 4,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.28 : 7,084.07 = 3,330.64 : x
  2. Step 2: Convert to fraction form
    4,720.28/7,084.07 = 3,330.64/x
  3. Step 3: Cross multiply
    4,720.28x = 7,084.07 × 3,330.64
  4. Step 4: Simplify right side
    4,720.28x = 23,594,434.83
  5. Step 5: Solve for x
    x = 23,594,434.83/4,720.28
  6. Step 6: Final answer
    x = 4,998.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.