Home / 8,285.10-11,431.44-5,601.30

Finding the Fourth Proportional to 8,285.10, 11,431.44 and 5,601.30

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Solution

The fourth proportional to 8,285.10, 11,431.44 and 5,601.30 is: 7,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.10 : 11,431.44 = 5,601.30 : x
  2. Step 2: Convert to fraction form
    8,285.10/11,431.44 = 5,601.30/x
  3. Step 3: Cross multiply
    8,285.10x = 11,431.44 × 5,601.30
  4. Step 4: Simplify right side
    8,285.10x = 64,030,924.87
  5. Step 5: Solve for x
    x = 64,030,924.87/8,285.10
  6. Step 6: Final answer
    x = 7,728.44

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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.