Home / 7,121.65-10,683.26-4,366.03

Finding the Fourth Proportional to 7,121.65, 10,683.26 and 4,366.03

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Solution

The fourth proportional to 7,121.65, 10,683.26 and 4,366.03 is: 6,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.65 : 10,683.26 = 4,366.03 : x
  2. Step 2: Convert to fraction form
    7,121.65/10,683.26 = 4,366.03/x
  3. Step 3: Cross multiply
    7,121.65x = 10,683.26 × 4,366.03
  4. Step 4: Simplify right side
    7,121.65x = 46,643,433.66
  5. Step 5: Solve for x
    x = 46,643,433.66/7,121.65
  6. Step 6: Final answer
    x = 6,549.53

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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.