Home / 5,427.64-8,139.93-2,095.12

Finding the Fourth Proportional to 5,427.64, 8,139.93 and 2,095.12

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Solution

The fourth proportional to 5,427.64, 8,139.93 and 2,095.12 is: 3,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.64 : 8,139.93 = 2,095.12 : x
  2. Step 2: Convert to fraction form
    5,427.64/8,139.93 = 2,095.12/x
  3. Step 3: Cross multiply
    5,427.64x = 8,139.93 × 2,095.12
  4. Step 4: Simplify right side
    5,427.64x = 17,054,130.14
  5. Step 5: Solve for x
    x = 17,054,130.14/5,427.64
  6. Step 6: Final answer
    x = 3,142.09

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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.