Home / 8,302.72-11,457.42-4,525.81

Finding the Fourth Proportional to 8,302.72, 11,457.42 and 4,525.81

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Solution

The fourth proportional to 8,302.72, 11,457.42 and 4,525.81 is: 6,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.72 : 11,457.42 = 4,525.81 : x
  2. Step 2: Convert to fraction form
    8,302.72/11,457.42 = 4,525.81/x
  3. Step 3: Cross multiply
    8,302.72x = 11,457.42 × 4,525.81
  4. Step 4: Simplify right side
    8,302.72x = 51,854,106.01
  5. Step 5: Solve for x
    x = 51,854,106.01/8,302.72
  6. Step 6: Final answer
    x = 6,245.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.