Home / 6,243.09-8,615.48-3,590.34

Finding the Fourth Proportional to 6,243.09, 8,615.48 and 3,590.34

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Solution

The fourth proportional to 6,243.09, 8,615.48 and 3,590.34 is: 4,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.09 : 8,615.48 = 3,590.34 : x
  2. Step 2: Convert to fraction form
    6,243.09/8,615.48 = 3,590.34/x
  3. Step 3: Cross multiply
    6,243.09x = 8,615.48 × 3,590.34
  4. Step 4: Simplify right side
    6,243.09x = 30,932,484.51
  5. Step 5: Solve for x
    x = 30,932,484.51/6,243.09
  6. Step 6: Final answer
    x = 4,954.68

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Half scale
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Double scale
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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.