Home / 8,858.16-13,287.24-3,668.40

Finding the Fourth Proportional to 8,858.16, 13,287.24 and 3,668.40

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Solution

The fourth proportional to 8,858.16, 13,287.24 and 3,668.40 is: 5,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.16 : 13,287.24 = 3,668.40 : x
  2. Step 2: Convert to fraction form
    8,858.16/13,287.24 = 3,668.40/x
  3. Step 3: Cross multiply
    8,858.16x = 13,287.24 × 3,668.40
  4. Step 4: Simplify right side
    8,858.16x = 48,742,911.22
  5. Step 5: Solve for x
    x = 48,742,911.22/8,858.16
  6. Step 6: Final answer
    x = 5,502.60

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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.