Home / 7,819.16-10,790.70-4,282.57

Finding the Fourth Proportional to 7,819.16, 10,790.70 and 4,282.57

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Solution

The fourth proportional to 7,819.16, 10,790.70 and 4,282.57 is: 5,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.16 : 10,790.70 = 4,282.57 : x
  2. Step 2: Convert to fraction form
    7,819.16/10,790.70 = 4,282.57/x
  3. Step 3: Cross multiply
    7,819.16x = 10,790.70 × 4,282.57
  4. Step 4: Simplify right side
    7,819.16x = 46,211,874.15
  5. Step 5: Solve for x
    x = 46,211,874.15/7,819.16
  6. Step 6: Final answer
    x = 5,910.08

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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.