Home / 4,906.86-7,360.32-1,209.10

Finding the Fourth Proportional to 4,906.86, 7,360.32 and 1,209.10

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Solution

The fourth proportional to 4,906.86, 7,360.32 and 1,209.10 is: 1,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.86 : 7,360.32 = 1,209.10 : x
  2. Step 2: Convert to fraction form
    4,906.86/7,360.32 = 1,209.10/x
  3. Step 3: Cross multiply
    4,906.86x = 7,360.32 × 1,209.10
  4. Step 4: Simplify right side
    4,906.86x = 8,899,362.91
  5. Step 5: Solve for x
    x = 8,899,362.91/4,906.86
  6. Step 6: Final answer
    x = 1,813.66

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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.