Home / 7,863.30-11,783.07-5,261.58

Finding the Fourth Proportional to 7,863.30, 11,783.07 and 5,261.58

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Solution

The fourth proportional to 7,863.30, 11,783.07 and 5,261.58 is: 7,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.30 : 11,783.07 = 5,261.58 : x
  2. Step 2: Convert to fraction form
    7,863.30/11,783.07 = 5,261.58/x
  3. Step 3: Cross multiply
    7,863.30x = 11,783.07 × 5,261.58
  4. Step 4: Simplify right side
    7,863.30x = 61,997,565.45
  5. Step 5: Solve for x
    x = 61,997,565.45/7,863.30
  6. Step 6: Final answer
    x = 7,884.42

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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.