Home / 7,853.06-11,783.62-4,342.42

Finding the Fourth Proportional to 7,853.06, 11,783.62 and 4,342.42

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Solution

The fourth proportional to 7,853.06, 11,783.62 and 4,342.42 is: 6,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.06 : 11,783.62 = 4,342.42 : x
  2. Step 2: Convert to fraction form
    7,853.06/11,783.62 = 4,342.42/x
  3. Step 3: Cross multiply
    7,853.06x = 11,783.62 × 4,342.42
  4. Step 4: Simplify right side
    7,853.06x = 51,169,427.16
  5. Step 5: Solve for x
    x = 51,169,427.16/7,853.06
  6. Step 6: Final answer
    x = 6,515.86

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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.