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Finding the Fourth Proportional to 8,865.09, 13,301.55 and 4,704.09

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Solution

The fourth proportional to 8,865.09, 13,301.55 and 4,704.09 is: 7,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.09 : 13,301.55 = 4,704.09 : x
  2. Step 2: Convert to fraction form
    8,865.09/13,301.55 = 4,704.09/x
  3. Step 3: Cross multiply
    8,865.09x = 13,301.55 × 4,704.09
  4. Step 4: Simplify right side
    8,865.09x = 62,571,638.46
  5. Step 5: Solve for x
    x = 62,571,638.46/8,865.09
  6. Step 6: Final answer
    x = 7,058.21

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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.