Home / 8,300.22-11,455.12-6,200.70

Finding the Fourth Proportional to 8,300.22, 11,455.12 and 6,200.70

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Solution

The fourth proportional to 8,300.22, 11,455.12 and 6,200.70 is: 8,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.22 : 11,455.12 = 6,200.70 : x
  2. Step 2: Convert to fraction form
    8,300.22/11,455.12 = 6,200.70/x
  3. Step 3: Cross multiply
    8,300.22x = 11,455.12 × 6,200.70
  4. Step 4: Simplify right side
    8,300.22x = 71,029,762.58
  5. Step 5: Solve for x
    x = 71,029,762.58/8,300.22
  6. Step 6: Final answer
    x = 8,557.58

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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.