Home / 6,667.76-10,003.80-2,285.12

Finding the Fourth Proportional to 6,667.76, 10,003.80 and 2,285.12

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Solution

The fourth proportional to 6,667.76, 10,003.80 and 2,285.12 is: 3,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.76 : 10,003.80 = 2,285.12 : x
  2. Step 2: Convert to fraction form
    6,667.76/10,003.80 = 2,285.12/x
  3. Step 3: Cross multiply
    6,667.76x = 10,003.80 × 2,285.12
  4. Step 4: Simplify right side
    6,667.76x = 22,859,883.46
  5. Step 5: Solve for x
    x = 22,859,883.46/6,667.76
  6. Step 6: Final answer
    x = 3,428.42

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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.