Home / 7,020.81-10,523.93-2,859.03

Finding the Fourth Proportional to 7,020.81, 10,523.93 and 2,859.03

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Solution

The fourth proportional to 7,020.81, 10,523.93 and 2,859.03 is: 4,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.81 : 10,523.93 = 2,859.03 : x
  2. Step 2: Convert to fraction form
    7,020.81/10,523.93 = 2,859.03/x
  3. Step 3: Cross multiply
    7,020.81x = 10,523.93 × 2,859.03
  4. Step 4: Simplify right side
    7,020.81x = 30,088,217.29
  5. Step 5: Solve for x
    x = 30,088,217.29/7,020.81
  6. Step 6: Final answer
    x = 4,285.58

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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.