Home / 7,683.61-11,522.58-2,751.94

Finding the Fourth Proportional to 7,683.61, 11,522.58 and 2,751.94

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Solution

The fourth proportional to 7,683.61, 11,522.58 and 2,751.94 is: 4,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.61 : 11,522.58 = 2,751.94 : x
  2. Step 2: Convert to fraction form
    7,683.61/11,522.58 = 2,751.94/x
  3. Step 3: Cross multiply
    7,683.61x = 11,522.58 × 2,751.94
  4. Step 4: Simplify right side
    7,683.61x = 31,709,448.81
  5. Step 5: Solve for x
    x = 31,709,448.81/7,683.61
  6. Step 6: Final answer
    x = 4,126.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.