Home / 8,668.37-11,962.44-5,085.45

Finding the Fourth Proportional to 8,668.37, 11,962.44 and 5,085.45

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Solution

The fourth proportional to 8,668.37, 11,962.44 and 5,085.45 is: 7,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.37 : 11,962.44 = 5,085.45 : x
  2. Step 2: Convert to fraction form
    8,668.37/11,962.44 = 5,085.45/x
  3. Step 3: Cross multiply
    8,668.37x = 11,962.44 × 5,085.45
  4. Step 4: Simplify right side
    8,668.37x = 60,834,390.50
  5. Step 5: Solve for x
    x = 60,834,390.50/8,668.37
  6. Step 6: Final answer
    x = 7,017.97

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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.