Home / 8,355.42-12,533.04-2,511.78

Finding the Fourth Proportional to 8,355.42, 12,533.04 and 2,511.78

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Solution

The fourth proportional to 8,355.42, 12,533.04 and 2,511.78 is: 3,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.42 : 12,533.04 = 2,511.78 : x
  2. Step 2: Convert to fraction form
    8,355.42/12,533.04 = 2,511.78/x
  3. Step 3: Cross multiply
    8,355.42x = 12,533.04 × 2,511.78
  4. Step 4: Simplify right side
    8,355.42x = 31,480,239.21
  5. Step 5: Solve for x
    x = 31,480,239.21/8,355.42
  6. Step 6: Final answer
    x = 3,767.64

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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.