Home / 7,683.40-11,527.80-3,301.12

Finding the Fourth Proportional to 7,683.40, 11,527.80 and 3,301.12

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Solution

The fourth proportional to 7,683.40, 11,527.80 and 3,301.12 is: 4,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.40 : 11,527.80 = 3,301.12 : x
  2. Step 2: Convert to fraction form
    7,683.40/11,527.80 = 3,301.12/x
  3. Step 3: Cross multiply
    7,683.40x = 11,527.80 × 3,301.12
  4. Step 4: Simplify right side
    7,683.40x = 38,054,651.14
  5. Step 5: Solve for x
    x = 38,054,651.14/7,683.40
  6. Step 6: Final answer
    x = 4,952.84

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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.