Home / 5,089.64-7,024.83-3,099.77

Finding the Fourth Proportional to 5,089.64, 7,024.83 and 3,099.77

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Solution

The fourth proportional to 5,089.64, 7,024.83 and 3,099.77 is: 4,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.64 : 7,024.83 = 3,099.77 : x
  2. Step 2: Convert to fraction form
    5,089.64/7,024.83 = 3,099.77/x
  3. Step 3: Cross multiply
    5,089.64x = 7,024.83 × 3,099.77
  4. Step 4: Simplify right side
    5,089.64x = 21,775,336.88
  5. Step 5: Solve for x
    x = 21,775,336.88/5,089.64
  6. Step 6: Final answer
    x = 4,278.37

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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.