Home / 8,889.42-12,266.57-5,697.08

Finding the Fourth Proportional to 8,889.42, 12,266.57 and 5,697.08

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Solution

The fourth proportional to 8,889.42, 12,266.57 and 5,697.08 is: 7,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.42 : 12,266.57 = 5,697.08 : x
  2. Step 2: Convert to fraction form
    8,889.42/12,266.57 = 5,697.08/x
  3. Step 3: Cross multiply
    8,889.42x = 12,266.57 × 5,697.08
  4. Step 4: Simplify right side
    8,889.42x = 69,883,630.62
  5. Step 5: Solve for x
    x = 69,883,630.62/8,889.42
  6. Step 6: Final answer
    x = 7,861.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.