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Finding the Fourth Proportional to 5,419.05, 7,482.51 and 4,158.11

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Solution

The fourth proportional to 5,419.05, 7,482.51 and 4,158.11 is: 5,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.05 : 7,482.51 = 4,158.11 : x
  2. Step 2: Convert to fraction form
    5,419.05/7,482.51 = 4,158.11/x
  3. Step 3: Cross multiply
    5,419.05x = 7,482.51 × 4,158.11
  4. Step 4: Simplify right side
    5,419.05x = 31,113,062.24
  5. Step 5: Solve for x
    x = 31,113,062.24/5,419.05
  6. Step 6: Final answer
    x = 5,741.42

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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.