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Finding the Fourth Proportional to 8,036.65, 12,054.86 and 4,874.84

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Solution

The fourth proportional to 8,036.65, 12,054.86 and 4,874.84 is: 7,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.65 : 12,054.86 = 4,874.84 : x
  2. Step 2: Convert to fraction form
    8,036.65/12,054.86 = 4,874.84/x
  3. Step 3: Cross multiply
    8,036.65x = 12,054.86 × 4,874.84
  4. Step 4: Simplify right side
    8,036.65x = 58,765,492.56
  5. Step 5: Solve for x
    x = 58,765,492.56/8,036.65
  6. Step 6: Final answer
    x = 7,312.19

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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.