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Finding the Fourth Proportional to 9,080.71, 13,621.06 and 2,840.97

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Solution

The fourth proportional to 9,080.71, 13,621.06 and 2,840.97 is: 4,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.71 : 13,621.06 = 2,840.97 : x
  2. Step 2: Convert to fraction form
    9,080.71/13,621.06 = 2,840.97/x
  3. Step 3: Cross multiply
    9,080.71x = 13,621.06 × 2,840.97
  4. Step 4: Simplify right side
    9,080.71x = 38,697,077.46
  5. Step 5: Solve for x
    x = 38,697,077.46/9,080.71
  6. Step 6: Final answer
    x = 4,261.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.