Home / 7,668.36-11,494.79-2,985.45

Finding the Fourth Proportional to 7,668.36, 11,494.79 and 2,985.45

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Solution

The fourth proportional to 7,668.36, 11,494.79 and 2,985.45 is: 4,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.36 : 11,494.79 = 2,985.45 : x
  2. Step 2: Convert to fraction form
    7,668.36/11,494.79 = 2,985.45/x
  3. Step 3: Cross multiply
    7,668.36x = 11,494.79 × 2,985.45
  4. Step 4: Simplify right side
    7,668.36x = 34,317,120.81
  5. Step 5: Solve for x
    x = 34,317,120.81/7,668.36
  6. Step 6: Final answer
    x = 4,475.16

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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.