Home / 5,136.93-7,705.94-1,674.81

Finding the Fourth Proportional to 5,136.93, 7,705.94 and 1,674.81

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Solution

The fourth proportional to 5,136.93, 7,705.94 and 1,674.81 is: 2,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.93 : 7,705.94 = 1,674.81 : x
  2. Step 2: Convert to fraction form
    5,136.93/7,705.94 = 1,674.81/x
  3. Step 3: Cross multiply
    5,136.93x = 7,705.94 × 1,674.81
  4. Step 4: Simplify right side
    5,136.93x = 12,905,977.00
  5. Step 5: Solve for x
    x = 12,905,977.00/5,136.93
  6. Step 6: Final answer
    x = 2,512.39

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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.