Home / 8,220.44-11,341.02-5,235.74

Finding the Fourth Proportional to 8,220.44, 11,341.02 and 5,235.74

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Solution

The fourth proportional to 8,220.44, 11,341.02 and 5,235.74 is: 7,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.44 : 11,341.02 = 5,235.74 : x
  2. Step 2: Convert to fraction form
    8,220.44/11,341.02 = 5,235.74/x
  3. Step 3: Cross multiply
    8,220.44x = 11,341.02 × 5,235.74
  4. Step 4: Simplify right side
    8,220.44x = 59,378,632.05
  5. Step 5: Solve for x
    x = 59,378,632.05/8,220.44
  6. Step 6: Final answer
    x = 7,223.29

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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.