Home / 7,195.14-10,768.23-4,420.35

Finding the Fourth Proportional to 7,195.14, 10,768.23 and 4,420.35

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Solution

The fourth proportional to 7,195.14, 10,768.23 and 4,420.35 is: 6,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.14 : 10,768.23 = 4,420.35 : x
  2. Step 2: Convert to fraction form
    7,195.14/10,768.23 = 4,420.35/x
  3. Step 3: Cross multiply
    7,195.14x = 10,768.23 × 4,420.35
  4. Step 4: Simplify right side
    7,195.14x = 47,599,345.48
  5. Step 5: Solve for x
    x = 47,599,345.48/7,195.14
  6. Step 6: Final answer
    x = 6,615.49

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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.