Home / 5,638.10-8,457.75-2,349.36

Finding the Fourth Proportional to 5,638.10, 8,457.75 and 2,349.36

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Solution

The fourth proportional to 5,638.10, 8,457.75 and 2,349.36 is: 3,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.10 : 8,457.75 = 2,349.36 : x
  2. Step 2: Convert to fraction form
    5,638.10/8,457.75 = 2,349.36/x
  3. Step 3: Cross multiply
    5,638.10x = 8,457.75 × 2,349.36
  4. Step 4: Simplify right side
    5,638.10x = 19,870,299.54
  5. Step 5: Solve for x
    x = 19,870,299.54/5,638.10
  6. Step 6: Final answer
    x = 3,524.29

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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.