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Finding the Fourth Proportional to 8,886.63, 13,334.06 and 3,888.34

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Solution

The fourth proportional to 8,886.63, 13,334.06 and 3,888.34 is: 5,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.63 : 13,334.06 = 3,888.34 : x
  2. Step 2: Convert to fraction form
    8,886.63/13,334.06 = 3,888.34/x
  3. Step 3: Cross multiply
    8,886.63x = 13,334.06 × 3,888.34
  4. Step 4: Simplify right side
    8,886.63x = 51,847,386.03
  5. Step 5: Solve for x
    x = 51,847,386.03/8,886.63
  6. Step 6: Final answer
    x = 5,834.31

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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.