Home / 8,210.44-12,316.88-3,015.91

Finding the Fourth Proportional to 8,210.44, 12,316.88 and 3,015.91

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Solution

The fourth proportional to 8,210.44, 12,316.88 and 3,015.91 is: 4,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.44 : 12,316.88 = 3,015.91 : x
  2. Step 2: Convert to fraction form
    8,210.44/12,316.88 = 3,015.91/x
  3. Step 3: Cross multiply
    8,210.44x = 12,316.88 × 3,015.91
  4. Step 4: Simplify right side
    8,210.44x = 37,146,586.48
  5. Step 5: Solve for x
    x = 37,146,586.48/8,210.44
  6. Step 6: Final answer
    x = 4,524.31

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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.