Home / 8,768.52-12,091.34-5,780.53

Finding the Fourth Proportional to 8,768.52, 12,091.34 and 5,780.53

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Solution

The fourth proportional to 8,768.52, 12,091.34 and 5,780.53 is: 7,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.52 : 12,091.34 = 5,780.53 : x
  2. Step 2: Convert to fraction form
    8,768.52/12,091.34 = 5,780.53/x
  3. Step 3: Cross multiply
    8,768.52x = 12,091.34 × 5,780.53
  4. Step 4: Simplify right side
    8,768.52x = 69,894,383.18
  5. Step 5: Solve for x
    x = 69,894,383.18/8,768.52
  6. Step 6: Final answer
    x = 7,971.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.