Home / 7,819.40-10,790.19-4,416.21

Finding the Fourth Proportional to 7,819.40, 10,790.19 and 4,416.21

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Solution

The fourth proportional to 7,819.40, 10,790.19 and 4,416.21 is: 6,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.40 : 10,790.19 = 4,416.21 : x
  2. Step 2: Convert to fraction form
    7,819.40/10,790.19 = 4,416.21/x
  3. Step 3: Cross multiply
    7,819.40x = 10,790.19 × 4,416.21
  4. Step 4: Simplify right side
    7,819.40x = 47,651,744.98
  5. Step 5: Solve for x
    x = 47,651,744.98/7,819.40
  6. Step 6: Final answer
    x = 6,094.04

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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.