Home / 5,850.56-8,075.40-3,612.80

Finding the Fourth Proportional to 5,850.56, 8,075.40 and 3,612.80

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Solution

The fourth proportional to 5,850.56, 8,075.40 and 3,612.80 is: 4,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,850.56 : 8,075.40 = 3,612.80 : x
  2. Step 2: Convert to fraction form
    5,850.56/8,075.40 = 3,612.80/x
  3. Step 3: Cross multiply
    5,850.56x = 8,075.40 × 3,612.80
  4. Step 4: Simplify right side
    5,850.56x = 29,174,805.12
  5. Step 5: Solve for x
    x = 29,174,805.12/5,850.56
  6. Step 6: Final answer
    x = 4,986.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.