Home / 5,261.86-7,886.51-2,446.89

Finding the Fourth Proportional to 5,261.86, 7,886.51 and 2,446.89

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Solution

The fourth proportional to 5,261.86, 7,886.51 and 2,446.89 is: 3,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.86 : 7,886.51 = 2,446.89 : x
  2. Step 2: Convert to fraction form
    5,261.86/7,886.51 = 2,446.89/x
  3. Step 3: Cross multiply
    5,261.86x = 7,886.51 × 2,446.89
  4. Step 4: Simplify right side
    5,261.86x = 19,297,410.22
  5. Step 5: Solve for x
    x = 19,297,410.22/5,261.86
  6. Step 6: Final answer
    x = 3,667.41

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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.