Home / 4,645.75-6,970.91-2,180.77

Finding the Fourth Proportional to 4,645.75, 6,970.91 and 2,180.77

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Solution

The fourth proportional to 4,645.75, 6,970.91 and 2,180.77 is: 3,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.75 : 6,970.91 = 2,180.77 : x
  2. Step 2: Convert to fraction form
    4,645.75/6,970.91 = 2,180.77/x
  3. Step 3: Cross multiply
    4,645.75x = 6,970.91 × 2,180.77
  4. Step 4: Simplify right side
    4,645.75x = 15,201,951.40
  5. Step 5: Solve for x
    x = 15,201,951.40/4,645.75
  6. Step 6: Final answer
    x = 3,272.23

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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.