Home / 5,185.35-7,776.63-1,898.46

Finding the Fourth Proportional to 5,185.35, 7,776.63 and 1,898.46

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Solution

The fourth proportional to 5,185.35, 7,776.63 and 1,898.46 is: 2,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.35 : 7,776.63 = 1,898.46 : x
  2. Step 2: Convert to fraction form
    5,185.35/7,776.63 = 1,898.46/x
  3. Step 3: Cross multiply
    5,185.35x = 7,776.63 × 1,898.46
  4. Step 4: Simplify right side
    5,185.35x = 14,763,620.99
  5. Step 5: Solve for x
    x = 14,763,620.99/5,185.35
  6. Step 6: Final answer
    x = 2,847.18

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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.