Home / 5,757.20-8,635.59-1,861.50

Finding the Fourth Proportional to 5,757.20, 8,635.59 and 1,861.50

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Solution

The fourth proportional to 5,757.20, 8,635.59 and 1,861.50 is: 2,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.20 : 8,635.59 = 1,861.50 : x
  2. Step 2: Convert to fraction form
    5,757.20/8,635.59 = 1,861.50/x
  3. Step 3: Cross multiply
    5,757.20x = 8,635.59 × 1,861.50
  4. Step 4: Simplify right side
    5,757.20x = 16,075,150.79
  5. Step 5: Solve for x
    x = 16,075,150.79/5,757.20
  6. Step 6: Final answer
    x = 2,792.18

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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.