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Finding the Fourth Proportional to 7,435.19, 11,152.80 and 1,888.58

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Solution

The fourth proportional to 7,435.19, 11,152.80 and 1,888.58 is: 2,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.19 : 11,152.80 = 1,888.58 : x
  2. Step 2: Convert to fraction form
    7,435.19/11,152.80 = 1,888.58/x
  3. Step 3: Cross multiply
    7,435.19x = 11,152.80 × 1,888.58
  4. Step 4: Simplify right side
    7,435.19x = 21,062,982.91
  5. Step 5: Solve for x
    x = 21,062,982.91/7,435.19
  6. Step 6: Final answer
    x = 2,832.88

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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.