Home / 9,283.80-13,938.06-5,391

Finding the Fourth Proportional to 9,283.80, 13,938.06 and 5,391

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Solution

The fourth proportional to 9,283.80, 13,938.06 and 5,391 is: 8,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.80 : 13,938.06 = 5,391 : x
  2. Step 2: Convert to fraction form
    9,283.80/13,938.06 = 5,391/x
  3. Step 3: Cross multiply
    9,283.80x = 13,938.06 × 5,391
  4. Step 4: Simplify right side
    9,283.80x = 75,140,081.46
  5. Step 5: Solve for x
    x = 75,140,081.46/9,283.80
  6. Step 6: Final answer
    x = 8,093.68

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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.