Home / 8,270.58-12,391.40-6,892.76

Finding the Fourth Proportional to 8,270.58, 12,391.40 and 6,892.76

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Solution

The fourth proportional to 8,270.58, 12,391.40 and 6,892.76 is: 10,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.58 : 12,391.40 = 6,892.76 : x
  2. Step 2: Convert to fraction form
    8,270.58/12,391.40 = 6,892.76/x
  3. Step 3: Cross multiply
    8,270.58x = 12,391.40 × 6,892.76
  4. Step 4: Simplify right side
    8,270.58x = 85,410,946.26
  5. Step 5: Solve for x
    x = 85,410,946.26/8,270.58
  6. Step 6: Final answer
    x = 10,327.08

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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.