Home / 7,531.79-11,283.09-3,638.93

Finding the Fourth Proportional to 7,531.79, 11,283.09 and 3,638.93

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Solution

The fourth proportional to 7,531.79, 11,283.09 and 3,638.93 is: 5,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.79 : 11,283.09 = 3,638.93 : x
  2. Step 2: Convert to fraction form
    7,531.79/11,283.09 = 3,638.93/x
  3. Step 3: Cross multiply
    7,531.79x = 11,283.09 × 3,638.93
  4. Step 4: Simplify right side
    7,531.79x = 41,058,318.28
  5. Step 5: Solve for x
    x = 41,058,318.28/7,531.79
  6. Step 6: Final answer
    x = 5,451.34

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1.5x scale

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.