Home / 4,328.60-6,486.82-1,861.56

Finding the Fourth Proportional to 4,328.60, 6,486.82 and 1,861.56

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Solution

The fourth proportional to 4,328.60, 6,486.82 and 1,861.56 is: 2,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.60 : 6,486.82 = 1,861.56 : x
  2. Step 2: Convert to fraction form
    4,328.60/6,486.82 = 1,861.56/x
  3. Step 3: Cross multiply
    4,328.60x = 6,486.82 × 1,861.56
  4. Step 4: Simplify right side
    4,328.60x = 12,075,599.99
  5. Step 5: Solve for x
    x = 12,075,599.99/4,328.60
  6. Step 6: Final answer
    x = 2,789.73

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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.