Home / 7,277.92-10,918.80-3,580

Finding the Fourth Proportional to 7,277.92, 10,918.80 and 3,580

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Solution

The fourth proportional to 7,277.92, 10,918.80 and 3,580 is: 5,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.92 : 10,918.80 = 3,580 : x
  2. Step 2: Convert to fraction form
    7,277.92/10,918.80 = 3,580/x
  3. Step 3: Cross multiply
    7,277.92x = 10,918.80 × 3,580
  4. Step 4: Simplify right side
    7,277.92x = 39,089,304
  5. Step 5: Solve for x
    x = 39,089,304/7,277.92
  6. Step 6: Final answer
    x = 5,370.94

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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.