Home / 6,388.44-9,570.18-4,190.52

Finding the Fourth Proportional to 6,388.44, 9,570.18 and 4,190.52

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Solution

The fourth proportional to 6,388.44, 9,570.18 and 4,190.52 is: 6,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.44 : 9,570.18 = 4,190.52 : x
  2. Step 2: Convert to fraction form
    6,388.44/9,570.18 = 4,190.52/x
  3. Step 3: Cross multiply
    6,388.44x = 9,570.18 × 4,190.52
  4. Step 4: Simplify right side
    6,388.44x = 40,104,030.69
  5. Step 5: Solve for x
    x = 40,104,030.69/6,388.44
  6. Step 6: Final answer
    x = 6,277.59

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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.