Home / 7,629.81-10,528.61-4,272.05

Finding the Fourth Proportional to 7,629.81, 10,528.61 and 4,272.05

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Solution

The fourth proportional to 7,629.81, 10,528.61 and 4,272.05 is: 5,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.81 : 10,528.61 = 4,272.05 : x
  2. Step 2: Convert to fraction form
    7,629.81/10,528.61 = 4,272.05/x
  3. Step 3: Cross multiply
    7,629.81x = 10,528.61 × 4,272.05
  4. Step 4: Simplify right side
    7,629.81x = 44,978,674.35
  5. Step 5: Solve for x
    x = 44,978,674.35/7,629.81
  6. Step 6: Final answer
    x = 5,895.12

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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.