Home / 6,436.38-8,886.74-5,021.61

Finding the Fourth Proportional to 6,436.38, 8,886.74 and 5,021.61

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Solution

The fourth proportional to 6,436.38, 8,886.74 and 5,021.61 is: 6,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.38 : 8,886.74 = 5,021.61 : x
  2. Step 2: Convert to fraction form
    6,436.38/8,886.74 = 5,021.61/x
  3. Step 3: Cross multiply
    6,436.38x = 8,886.74 × 5,021.61
  4. Step 4: Simplify right side
    6,436.38x = 44,625,742.45
  5. Step 5: Solve for x
    x = 44,625,742.45/6,436.38
  6. Step 6: Final answer
    x = 6,933.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.