Home / 4,624.50-6,381.81-2,971.38

Finding the Fourth Proportional to 4,624.50, 6,381.81 and 2,971.38

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Solution

The fourth proportional to 4,624.50, 6,381.81 and 2,971.38 is: 4,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.50 : 6,381.81 = 2,971.38 : x
  2. Step 2: Convert to fraction form
    4,624.50/6,381.81 = 2,971.38/x
  3. Step 3: Cross multiply
    4,624.50x = 6,381.81 × 2,971.38
  4. Step 4: Simplify right side
    4,624.50x = 18,962,782.60
  5. Step 5: Solve for x
    x = 18,962,782.60/4,624.50
  6. Step 6: Final answer
    x = 4,100.50

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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.