Home / 5,391.45-8,075.48-2,612.29

Finding the Fourth Proportional to 5,391.45, 8,075.48 and 2,612.29

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Solution

The fourth proportional to 5,391.45, 8,075.48 and 2,612.29 is: 3,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.45 : 8,075.48 = 2,612.29 : x
  2. Step 2: Convert to fraction form
    5,391.45/8,075.48 = 2,612.29/x
  3. Step 3: Cross multiply
    5,391.45x = 8,075.48 × 2,612.29
  4. Step 4: Simplify right side
    5,391.45x = 21,095,488.33
  5. Step 5: Solve for x
    x = 21,095,488.33/5,391.45
  6. Step 6: Final answer
    x = 3,912.77

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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.