Home / 7,789.54-11,687.55-4,675.54

Finding the Fourth Proportional to 7,789.54, 11,687.55 and 4,675.54

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Solution

The fourth proportional to 7,789.54, 11,687.55 and 4,675.54 is: 7,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.54 : 11,687.55 = 4,675.54 : x
  2. Step 2: Convert to fraction form
    7,789.54/11,687.55 = 4,675.54/x
  3. Step 3: Cross multiply
    7,789.54x = 11,687.55 × 4,675.54
  4. Step 4: Simplify right side
    7,789.54x = 54,645,607.53
  5. Step 5: Solve for x
    x = 54,645,607.53/7,789.54
  6. Step 6: Final answer
    x = 7,015.25

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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.