Home / 8,886.78-13,322.35-3,626.21

Finding the Fourth Proportional to 8,886.78, 13,322.35 and 3,626.21

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Solution

The fourth proportional to 8,886.78, 13,322.35 and 3,626.21 is: 5,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.78 : 13,322.35 = 3,626.21 : x
  2. Step 2: Convert to fraction form
    8,886.78/13,322.35 = 3,626.21/x
  3. Step 3: Cross multiply
    8,886.78x = 13,322.35 × 3,626.21
  4. Step 4: Simplify right side
    8,886.78x = 48,309,676.63
  5. Step 5: Solve for x
    x = 48,309,676.63/8,886.78
  6. Step 6: Final answer
    x = 5,436.13

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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.