Home / 9,220.16-13,829.88-2,646.34

Finding the Fourth Proportional to 9,220.16, 13,829.88 and 2,646.34

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Solution

The fourth proportional to 9,220.16, 13,829.88 and 2,646.34 is: 3,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.16 : 13,829.88 = 2,646.34 : x
  2. Step 2: Convert to fraction form
    9,220.16/13,829.88 = 2,646.34/x
  3. Step 3: Cross multiply
    9,220.16x = 13,829.88 × 2,646.34
  4. Step 4: Simplify right side
    9,220.16x = 36,598,564.64
  5. Step 5: Solve for x
    x = 36,598,564.64/9,220.16
  6. Step 6: Final answer
    x = 3,969.41

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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.