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Finding the Fourth Proportional to 8,807.54, 12,158.21 and 5,270.09

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Solution

The fourth proportional to 8,807.54, 12,158.21 and 5,270.09 is: 7,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.54 : 12,158.21 = 5,270.09 : x
  2. Step 2: Convert to fraction form
    8,807.54/12,158.21 = 5,270.09/x
  3. Step 3: Cross multiply
    8,807.54x = 12,158.21 × 5,270.09
  4. Step 4: Simplify right side
    8,807.54x = 64,074,813.32
  5. Step 5: Solve for x
    x = 64,074,813.32/8,807.54
  6. Step 6: Final answer
    x = 7,275.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.