Home / 8,261.98-11,401.54-4,485.15

Finding the Fourth Proportional to 8,261.98, 11,401.54 and 4,485.15

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Solution

The fourth proportional to 8,261.98, 11,401.54 and 4,485.15 is: 6,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.98 : 11,401.54 = 4,485.15 : x
  2. Step 2: Convert to fraction form
    8,261.98/11,401.54 = 4,485.15/x
  3. Step 3: Cross multiply
    8,261.98x = 11,401.54 × 4,485.15
  4. Step 4: Simplify right side
    8,261.98x = 51,137,588.63
  5. Step 5: Solve for x
    x = 51,137,588.63/8,261.98
  6. Step 6: Final answer
    x = 6,189.51

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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.