Home / 7,819.78-10,792.34-4,461.83

Finding the Fourth Proportional to 7,819.78, 10,792.34 and 4,461.83

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Solution

The fourth proportional to 7,819.78, 10,792.34 and 4,461.83 is: 6,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.78 : 10,792.34 = 4,461.83 : x
  2. Step 2: Convert to fraction form
    7,819.78/10,792.34 = 4,461.83/x
  3. Step 3: Cross multiply
    7,819.78x = 10,792.34 × 4,461.83
  4. Step 4: Simplify right side
    7,819.78x = 48,153,536.96
  5. Step 5: Solve for x
    x = 48,153,536.96/7,819.78
  6. Step 6: Final answer
    x = 6,157.91

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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.