Home / 7,877.06-11,808.33-2,679.32

Finding the Fourth Proportional to 7,877.06, 11,808.33 and 2,679.32

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Solution

The fourth proportional to 7,877.06, 11,808.33 and 2,679.32 is: 4,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.06 : 11,808.33 = 2,679.32 : x
  2. Step 2: Convert to fraction form
    7,877.06/11,808.33 = 2,679.32/x
  3. Step 3: Cross multiply
    7,877.06x = 11,808.33 × 2,679.32
  4. Step 4: Simplify right side
    7,877.06x = 31,638,294.74
  5. Step 5: Solve for x
    x = 31,638,294.74/7,877.06
  6. Step 6: Final answer
    x = 4,016.51

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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.