Home / 8,107.04-12,160.80-4,821.44

Finding the Fourth Proportional to 8,107.04, 12,160.80 and 4,821.44

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Solution

The fourth proportional to 8,107.04, 12,160.80 and 4,821.44 is: 7,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.04 : 12,160.80 = 4,821.44 : x
  2. Step 2: Convert to fraction form
    8,107.04/12,160.80 = 4,821.44/x
  3. Step 3: Cross multiply
    8,107.04x = 12,160.80 × 4,821.44
  4. Step 4: Simplify right side
    8,107.04x = 58,632,567.55
  5. Step 5: Solve for x
    x = 58,632,567.55/8,107.04
  6. Step 6: Final answer
    x = 7,232.30

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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.