Home / 8,355.20-12,533.60-2,511.20

Finding the Fourth Proportional to 8,355.20, 12,533.60 and 2,511.20

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Solution

The fourth proportional to 8,355.20, 12,533.60 and 2,511.20 is: 3,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.20 : 12,533.60 = 2,511.20 : x
  2. Step 2: Convert to fraction form
    8,355.20/12,533.60 = 2,511.20/x
  3. Step 3: Cross multiply
    8,355.20x = 12,533.60 × 2,511.20
  4. Step 4: Simplify right side
    8,355.20x = 31,474,376.32
  5. Step 5: Solve for x
    x = 31,474,376.32/8,355.20
  6. Step 6: Final answer
    x = 3,767.04

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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.