Home / 7,853.09-11,778.74-2,306.48

Finding the Fourth Proportional to 7,853.09, 11,778.74 and 2,306.48

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Solution

The fourth proportional to 7,853.09, 11,778.74 and 2,306.48 is: 3,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.09 : 11,778.74 = 2,306.48 : x
  2. Step 2: Convert to fraction form
    7,853.09/11,778.74 = 2,306.48/x
  3. Step 3: Cross multiply
    7,853.09x = 11,778.74 × 2,306.48
  4. Step 4: Simplify right side
    7,853.09x = 27,167,357.81
  5. Step 5: Solve for x
    x = 27,167,357.81/7,853.09
  6. Step 6: Final answer
    x = 3,459.45

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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.