Home / 7,477.47-11,216.21-3,090.11

Finding the Fourth Proportional to 7,477.47, 11,216.21 and 3,090.11

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Solution

The fourth proportional to 7,477.47, 11,216.21 and 3,090.11 is: 4,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.47 : 11,216.21 = 3,090.11 : x
  2. Step 2: Convert to fraction form
    7,477.47/11,216.21 = 3,090.11/x
  3. Step 3: Cross multiply
    7,477.47x = 11,216.21 × 3,090.11
  4. Step 4: Simplify right side
    7,477.47x = 34,659,251.15
  5. Step 5: Solve for x
    x = 34,659,251.15/7,477.47
  6. Step 6: Final answer
    x = 4,635.16

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Half scale
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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.