Home / 4,720.69-7,081.85-1,434.11

Finding the Fourth Proportional to 4,720.69, 7,081.85 and 1,434.11

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Solution

The fourth proportional to 4,720.69, 7,081.85 and 1,434.11 is: 2,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.69 : 7,081.85 = 1,434.11 : x
  2. Step 2: Convert to fraction form
    4,720.69/7,081.85 = 1,434.11/x
  3. Step 3: Cross multiply
    4,720.69x = 7,081.85 × 1,434.11
  4. Step 4: Simplify right side
    4,720.69x = 10,156,162.44
  5. Step 5: Solve for x
    x = 10,156,162.44/4,720.69
  6. Step 6: Final answer
    x = 2,151.42

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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.