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Finding the Fourth Proportional to 9,094.40, 13,636.20 and 4,720.40

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Solution

The fourth proportional to 9,094.40, 13,636.20 and 4,720.40 is: 7,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,094.40 : 13,636.20 = 4,720.40 : x
  2. Step 2: Convert to fraction form
    9,094.40/13,636.20 = 4,720.40/x
  3. Step 3: Cross multiply
    9,094.40x = 13,636.20 × 4,720.40
  4. Step 4: Simplify right side
    9,094.40x = 64,368,318.48
  5. Step 5: Solve for x
    x = 64,368,318.48/9,094.40
  6. Step 6: Final answer
    x = 7,077.80

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