Home / 8,528.54-12,770.26-6,670.96

Finding the Fourth Proportional to 8,528.54, 12,770.26 and 6,670.96

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Solution

The fourth proportional to 8,528.54, 12,770.26 and 6,670.96 is: 9,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.54 : 12,770.26 = 6,670.96 : x
  2. Step 2: Convert to fraction form
    8,528.54/12,770.26 = 6,670.96/x
  3. Step 3: Cross multiply
    8,528.54x = 12,770.26 × 6,670.96
  4. Step 4: Simplify right side
    8,528.54x = 85,189,845.05
  5. Step 5: Solve for x
    x = 85,189,845.05/8,528.54
  6. Step 6: Final answer
    x = 9,988.80

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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.