Home / 8,381.44-11,567.81-4,846.80

Finding the Fourth Proportional to 8,381.44, 11,567.81 and 4,846.80

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Solution

The fourth proportional to 8,381.44, 11,567.81 and 4,846.80 is: 6,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.44 : 11,567.81 = 4,846.80 : x
  2. Step 2: Convert to fraction form
    8,381.44/11,567.81 = 4,846.80/x
  3. Step 3: Cross multiply
    8,381.44x = 11,567.81 × 4,846.80
  4. Step 4: Simplify right side
    8,381.44x = 56,066,861.51
  5. Step 5: Solve for x
    x = 56,066,861.51/8,381.44
  6. Step 6: Final answer
    x = 6,689.41

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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.