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Finding the Fourth Proportional to 8,012.50, 11,054.80 and 4,654.67

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Solution

The fourth proportional to 8,012.50, 11,054.80 and 4,654.67 is: 6,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.50 : 11,054.80 = 4,654.67 : x
  2. Step 2: Convert to fraction form
    8,012.50/11,054.80 = 4,654.67/x
  3. Step 3: Cross multiply
    8,012.50x = 11,054.80 × 4,654.67
  4. Step 4: Simplify right side
    8,012.50x = 51,456,502.83
  5. Step 5: Solve for x
    x = 51,456,502.83/8,012.50
  6. Step 6: Final answer
    x = 6,422.03

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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.