Home / 8,283.84-11,431.91-4,507.21

Finding the Fourth Proportional to 8,283.84, 11,431.91 and 4,507.21

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Solution

The fourth proportional to 8,283.84, 11,431.91 and 4,507.21 is: 6,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.84 : 11,431.91 = 4,507.21 : x
  2. Step 2: Convert to fraction form
    8,283.84/11,431.91 = 4,507.21/x
  3. Step 3: Cross multiply
    8,283.84x = 11,431.91 × 4,507.21
  4. Step 4: Simplify right side
    8,283.84x = 51,526,019.07
  5. Step 5: Solve for x
    x = 51,526,019.07/8,283.84
  6. Step 6: Final answer
    x = 6,220.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.