Home / 8,668.02-13,001.22-2,428.59

Finding the Fourth Proportional to 8,668.02, 13,001.22 and 2,428.59

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Solution

The fourth proportional to 8,668.02, 13,001.22 and 2,428.59 is: 3,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.02 : 13,001.22 = 2,428.59 : x
  2. Step 2: Convert to fraction form
    8,668.02/13,001.22 = 2,428.59/x
  3. Step 3: Cross multiply
    8,668.02x = 13,001.22 × 2,428.59
  4. Step 4: Simplify right side
    8,668.02x = 31,574,632.88
  5. Step 5: Solve for x
    x = 31,574,632.88/8,668.02
  6. Step 6: Final answer
    x = 3,642.66

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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.