Home / 8,122.02-11,208.39-4,585.98

Finding the Fourth Proportional to 8,122.02, 11,208.39 and 4,585.98

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Solution

The fourth proportional to 8,122.02, 11,208.39 and 4,585.98 is: 6,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.02 : 11,208.39 = 4,585.98 : x
  2. Step 2: Convert to fraction form
    8,122.02/11,208.39 = 4,585.98/x
  3. Step 3: Cross multiply
    8,122.02x = 11,208.39 × 4,585.98
  4. Step 4: Simplify right side
    8,122.02x = 51,401,452.37
  5. Step 5: Solve for x
    x = 51,401,452.37/8,122.02
  6. Step 6: Final answer
    x = 6,328.65

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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.