Home / 7,180.30-9,910.11-4,528.63

Finding the Fourth Proportional to 7,180.30, 9,910.11 and 4,528.63

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Solution

The fourth proportional to 7,180.30, 9,910.11 and 4,528.63 is: 6,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.30 : 9,910.11 = 4,528.63 : x
  2. Step 2: Convert to fraction form
    7,180.30/9,910.11 = 4,528.63/x
  3. Step 3: Cross multiply
    7,180.30x = 9,910.11 × 4,528.63
  4. Step 4: Simplify right side
    7,180.30x = 44,879,221.45
  5. Step 5: Solve for x
    x = 44,879,221.45/7,180.30
  6. Step 6: Final answer
    x = 6,250.33

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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.