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Finding the Fourth Proportional to 5,300.73, 7,951.10 and 1,790.75

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Solution

The fourth proportional to 5,300.73, 7,951.10 and 1,790.75 is: 2,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.73 : 7,951.10 = 1,790.75 : x
  2. Step 2: Convert to fraction form
    5,300.73/7,951.10 = 1,790.75/x
  3. Step 3: Cross multiply
    5,300.73x = 7,951.10 × 1,790.75
  4. Step 4: Simplify right side
    5,300.73x = 14,238,443.25
  5. Step 5: Solve for x
    x = 14,238,443.25/5,300.73
  6. Step 6: Final answer
    x = 2,686.13

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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.