Home / 7,136.98-10,705.39-2,751.36

Finding the Fourth Proportional to 7,136.98, 10,705.39 and 2,751.36

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Solution

The fourth proportional to 7,136.98, 10,705.39 and 2,751.36 is: 4,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.98 : 10,705.39 = 2,751.36 : x
  2. Step 2: Convert to fraction form
    7,136.98/10,705.39 = 2,751.36/x
  3. Step 3: Cross multiply
    7,136.98x = 10,705.39 × 2,751.36
  4. Step 4: Simplify right side
    7,136.98x = 29,454,381.83
  5. Step 5: Solve for x
    x = 29,454,381.83/7,136.98
  6. Step 6: Final answer
    x = 4,127.01

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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.