Home / 7,683.98-11,528.40-2,753.50

Finding the Fourth Proportional to 7,683.98, 11,528.40 and 2,753.50

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Solution

The fourth proportional to 7,683.98, 11,528.40 and 2,753.50 is: 4,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.98 : 11,528.40 = 2,753.50 : x
  2. Step 2: Convert to fraction form
    7,683.98/11,528.40 = 2,753.50/x
  3. Step 3: Cross multiply
    7,683.98x = 11,528.40 × 2,753.50
  4. Step 4: Simplify right side
    7,683.98x = 31,743,449.40
  5. Step 5: Solve for x
    x = 31,743,449.40/7,683.98
  6. Step 6: Final answer
    x = 4,131.12

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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.