Home / 7,136.39-10,705.91-2,457.09

Finding the Fourth Proportional to 7,136.39, 10,705.91 and 2,457.09

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Solution

The fourth proportional to 7,136.39, 10,705.91 and 2,457.09 is: 3,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.39 : 10,705.91 = 2,457.09 : x
  2. Step 2: Convert to fraction form
    7,136.39/10,705.91 = 2,457.09/x
  3. Step 3: Cross multiply
    7,136.39x = 10,705.91 × 2,457.09
  4. Step 4: Simplify right side
    7,136.39x = 26,305,372.12
  5. Step 5: Solve for x
    x = 26,305,372.12/7,136.39
  6. Step 6: Final answer
    x = 3,686.09

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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.