Home / 8,069.88-12,127.50-4,783.44

Finding the Fourth Proportional to 8,069.88, 12,127.50 and 4,783.44

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Solution

The fourth proportional to 8,069.88, 12,127.50 and 4,783.44 is: 7,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.88 : 12,127.50 = 4,783.44 : x
  2. Step 2: Convert to fraction form
    8,069.88/12,127.50 = 4,783.44/x
  3. Step 3: Cross multiply
    8,069.88x = 12,127.50 × 4,783.44
  4. Step 4: Simplify right side
    8,069.88x = 58,011,168.60
  5. Step 5: Solve for x
    x = 58,011,168.60/8,069.88
  6. Step 6: Final answer
    x = 7,188.60

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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.