Home / 5,431.57-8,145.62-1,732.93

Finding the Fourth Proportional to 5,431.57, 8,145.62 and 1,732.93

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Solution

The fourth proportional to 5,431.57, 8,145.62 and 1,732.93 is: 2,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.57 : 8,145.62 = 1,732.93 : x
  2. Step 2: Convert to fraction form
    5,431.57/8,145.62 = 1,732.93/x
  3. Step 3: Cross multiply
    5,431.57x = 8,145.62 × 1,732.93
  4. Step 4: Simplify right side
    5,431.57x = 14,115,789.27
  5. Step 5: Solve for x
    x = 14,115,789.27/5,431.57
  6. Step 6: Final answer
    x = 2,598.84

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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.