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Finding the Fourth Proportional to 5,345.37, 8,018.64 and 1,835.64

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Solution

The fourth proportional to 5,345.37, 8,018.64 and 1,835.64 is: 2,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.37 : 8,018.64 = 1,835.64 : x
  2. Step 2: Convert to fraction form
    5,345.37/8,018.64 = 1,835.64/x
  3. Step 3: Cross multiply
    5,345.37x = 8,018.64 × 1,835.64
  4. Step 4: Simplify right side
    5,345.37x = 14,719,336.33
  5. Step 5: Solve for x
    x = 14,719,336.33/5,345.37
  6. Step 6: Final answer
    x = 2,753.66

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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.