Home / 9,240.34-13,851.86-3,395.38

Finding the Fourth Proportional to 9,240.34, 13,851.86 and 3,395.38

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Solution

The fourth proportional to 9,240.34, 13,851.86 and 3,395.38 is: 5,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.34 : 13,851.86 = 3,395.38 : x
  2. Step 2: Convert to fraction form
    9,240.34/13,851.86 = 3,395.38/x
  3. Step 3: Cross multiply
    9,240.34x = 13,851.86 × 3,395.38
  4. Step 4: Simplify right side
    9,240.34x = 47,032,328.41
  5. Step 5: Solve for x
    x = 47,032,328.41/9,240.34
  6. Step 6: Final answer
    x = 5,089.89

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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.