Home / 5,459.70-8,191.92-1,762.26

Finding the Fourth Proportional to 5,459.70, 8,191.92 and 1,762.26

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Solution

The fourth proportional to 5,459.70, 8,191.92 and 1,762.26 is: 2,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.70 : 8,191.92 = 1,762.26 : x
  2. Step 2: Convert to fraction form
    5,459.70/8,191.92 = 1,762.26/x
  3. Step 3: Cross multiply
    5,459.70x = 8,191.92 × 1,762.26
  4. Step 4: Simplify right side
    5,459.70x = 14,436,292.94
  5. Step 5: Solve for x
    x = 14,436,292.94/5,459.70
  6. Step 6: Final answer
    x = 2,644.15

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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.