Home / 5,230.15-7,845.12-2,110.07

Finding the Fourth Proportional to 5,230.15, 7,845.12 and 2,110.07

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Solution

The fourth proportional to 5,230.15, 7,845.12 and 2,110.07 is: 3,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.15 : 7,845.12 = 2,110.07 : x
  2. Step 2: Convert to fraction form
    5,230.15/7,845.12 = 2,110.07/x
  3. Step 3: Cross multiply
    5,230.15x = 7,845.12 × 2,110.07
  4. Step 4: Simplify right side
    5,230.15x = 16,553,752.36
  5. Step 5: Solve for x
    x = 16,553,752.36/5,230.15
  6. Step 6: Final answer
    x = 3,165.07

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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.