Home / 8,208.93-12,312.18-2,285.20

Finding the Fourth Proportional to 8,208.93, 12,312.18 and 2,285.20

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Solution

The fourth proportional to 8,208.93, 12,312.18 and 2,285.20 is: 3,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.93 : 12,312.18 = 2,285.20 : x
  2. Step 2: Convert to fraction form
    8,208.93/12,312.18 = 2,285.20/x
  3. Step 3: Cross multiply
    8,208.93x = 12,312.18 × 2,285.20
  4. Step 4: Simplify right side
    8,208.93x = 28,135,800.56
  5. Step 5: Solve for x
    x = 28,135,800.56/8,208.93
  6. Step 6: Final answer
    x = 3,427.46

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.