Home / 5,651.29-7,798.68-3,099.05

Finding the Fourth Proportional to 5,651.29, 7,798.68 and 3,099.05

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Solution

The fourth proportional to 5,651.29, 7,798.68 and 3,099.05 is: 4,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.29 : 7,798.68 = 3,099.05 : x
  2. Step 2: Convert to fraction form
    5,651.29/7,798.68 = 3,099.05/x
  3. Step 3: Cross multiply
    5,651.29x = 7,798.68 × 3,099.05
  4. Step 4: Simplify right side
    5,651.29x = 24,168,499.25
  5. Step 5: Solve for x
    x = 24,168,499.25/5,651.29
  6. Step 6: Final answer
    x = 4,276.63

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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.