Home / 8,247.57-11,381.36-4,888.39

Finding the Fourth Proportional to 8,247.57, 11,381.36 and 4,888.39

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Solution

The fourth proportional to 8,247.57, 11,381.36 and 4,888.39 is: 6,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.57 : 11,381.36 = 4,888.39 : x
  2. Step 2: Convert to fraction form
    8,247.57/11,381.36 = 4,888.39/x
  3. Step 3: Cross multiply
    8,247.57x = 11,381.36 × 4,888.39
  4. Step 4: Simplify right side
    8,247.57x = 55,636,526.41
  5. Step 5: Solve for x
    x = 55,636,526.41/8,247.57
  6. Step 6: Final answer
    x = 6,745.81

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Half scale
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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.