Home / 8,213.32-12,316.36-2,368.56

Finding the Fourth Proportional to 8,213.32, 12,316.36 and 2,368.56

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Solution

The fourth proportional to 8,213.32, 12,316.36 and 2,368.56 is: 3,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.32 : 12,316.36 = 2,368.56 : x
  2. Step 2: Convert to fraction form
    8,213.32/12,316.36 = 2,368.56/x
  3. Step 3: Cross multiply
    8,213.32x = 12,316.36 × 2,368.56
  4. Step 4: Simplify right side
    8,213.32x = 29,172,037.64
  5. Step 5: Solve for x
    x = 29,172,037.64/8,213.32
  6. Step 6: Final answer
    x = 3,551.80

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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.