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Finding the Fourth Proportional to 8,794.67, 12,136.97 and 5,018.45

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Solution

The fourth proportional to 8,794.67, 12,136.97 and 5,018.45 is: 6,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.67 : 12,136.97 = 5,018.45 : x
  2. Step 2: Convert to fraction form
    8,794.67/12,136.97 = 5,018.45/x
  3. Step 3: Cross multiply
    8,794.67x = 12,136.97 × 5,018.45
  4. Step 4: Simplify right side
    8,794.67x = 60,908,728.96
  5. Step 5: Solve for x
    x = 60,908,728.96/8,794.67
  6. Step 6: Final answer
    x = 6,925.65

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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.