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Finding the Fourth Proportional to 9,111.66, 12,574.08 and 5,133.66

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Solution

The fourth proportional to 9,111.66, 12,574.08 and 5,133.66 is: 7,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.66 : 12,574.08 = 5,133.66 : x
  2. Step 2: Convert to fraction form
    9,111.66/12,574.08 = 5,133.66/x
  3. Step 3: Cross multiply
    9,111.66x = 12,574.08 × 5,133.66
  4. Step 4: Simplify right side
    9,111.66x = 64,551,051.53
  5. Step 5: Solve for x
    x = 64,551,051.53/9,111.66
  6. Step 6: Final answer
    x = 7,084.44

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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.