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Finding the Fourth Proportional to 9,088.60, 13,604.10 and 7,130.20

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Solution

The fourth proportional to 9,088.60, 13,604.10 and 7,130.20 is: 10,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.60 : 13,604.10 = 7,130.20 : x
  2. Step 2: Convert to fraction form
    9,088.60/13,604.10 = 7,130.20/x
  3. Step 3: Cross multiply
    9,088.60x = 13,604.10 × 7,130.20
  4. Step 4: Simplify right side
    9,088.60x = 96,999,953.82
  5. Step 5: Solve for x
    x = 96,999,953.82/9,088.60
  6. Step 6: Final answer
    x = 10,672.71

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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.