Home / 8,130.62-11,219.56-4,773.08

Finding the Fourth Proportional to 8,130.62, 11,219.56 and 4,773.08

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Solution

The fourth proportional to 8,130.62, 11,219.56 and 4,773.08 is: 6,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.62 : 11,219.56 = 4,773.08 : x
  2. Step 2: Convert to fraction form
    8,130.62/11,219.56 = 4,773.08/x
  3. Step 3: Cross multiply
    8,130.62x = 11,219.56 × 4,773.08
  4. Step 4: Simplify right side
    8,130.62x = 53,551,857.44
  5. Step 5: Solve for x
    x = 53,551,857.44/8,130.62
  6. Step 6: Final answer
    x = 6,586.44

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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.