Home / 7,743.30-11,615.07-4,971.18

Finding the Fourth Proportional to 7,743.30, 11,615.07 and 4,971.18

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Solution

The fourth proportional to 7,743.30, 11,615.07 and 4,971.18 is: 7,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.30 : 11,615.07 = 4,971.18 : x
  2. Step 2: Convert to fraction form
    7,743.30/11,615.07 = 4,971.18/x
  3. Step 3: Cross multiply
    7,743.30x = 11,615.07 × 4,971.18
  4. Step 4: Simplify right side
    7,743.30x = 57,740,603.68
  5. Step 5: Solve for x
    x = 57,740,603.68/7,743.30
  6. Step 6: Final answer
    x = 7,456.85

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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.