Home / 4,720.79-7,081.41-1,799.32

Finding the Fourth Proportional to 4,720.79, 7,081.41 and 1,799.32

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Solution

The fourth proportional to 4,720.79, 7,081.41 and 1,799.32 is: 2,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.79 : 7,081.41 = 1,799.32 : x
  2. Step 2: Convert to fraction form
    4,720.79/7,081.41 = 1,799.32/x
  3. Step 3: Cross multiply
    4,720.79x = 7,081.41 × 1,799.32
  4. Step 4: Simplify right side
    4,720.79x = 12,741,711.69
  5. Step 5: Solve for x
    x = 12,741,711.69/4,720.79
  6. Step 6: Final answer
    x = 2,699.07

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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.