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Finding the Fourth Proportional to 8,369.88, 12,559.68 and 4,476.48

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Solution

The fourth proportional to 8,369.88, 12,559.68 and 4,476.48 is: 6,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.88 : 12,559.68 = 4,476.48 : x
  2. Step 2: Convert to fraction form
    8,369.88/12,559.68 = 4,476.48/x
  3. Step 3: Cross multiply
    8,369.88x = 12,559.68 × 4,476.48
  4. Step 4: Simplify right side
    8,369.88x = 56,223,156.33
  5. Step 5: Solve for x
    x = 56,223,156.33/8,369.88
  6. Step 6: Final answer
    x = 6,717.32

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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.