Home / 8,533.20-12,799.80-2,984.70

Finding the Fourth Proportional to 8,533.20, 12,799.80 and 2,984.70

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Solution

The fourth proportional to 8,533.20, 12,799.80 and 2,984.70 is: 4,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.20 : 12,799.80 = 2,984.70 : x
  2. Step 2: Convert to fraction form
    8,533.20/12,799.80 = 2,984.70/x
  3. Step 3: Cross multiply
    8,533.20x = 12,799.80 × 2,984.70
  4. Step 4: Simplify right side
    8,533.20x = 38,203,563.06
  5. Step 5: Solve for x
    x = 38,203,563.06/8,533.20
  6. Step 6: Final answer
    x = 4,477.05

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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.