Home / 7,696.40-10,621.14-4,339.37

Finding the Fourth Proportional to 7,696.40, 10,621.14 and 4,339.37

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Solution

The fourth proportional to 7,696.40, 10,621.14 and 4,339.37 is: 5,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.40 : 10,621.14 = 4,339.37 : x
  2. Step 2: Convert to fraction form
    7,696.40/10,621.14 = 4,339.37/x
  3. Step 3: Cross multiply
    7,696.40x = 10,621.14 × 4,339.37
  4. Step 4: Simplify right side
    7,696.40x = 46,089,003.18
  5. Step 5: Solve for x
    x = 46,089,003.18/7,696.40
  6. Step 6: Final answer
    x = 5,988.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.