Home / 8,947.69-13,423.70-3,755.05

Finding the Fourth Proportional to 8,947.69, 13,423.70 and 3,755.05

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Solution

The fourth proportional to 8,947.69, 13,423.70 and 3,755.05 is: 5,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.69 : 13,423.70 = 3,755.05 : x
  2. Step 2: Convert to fraction form
    8,947.69/13,423.70 = 3,755.05/x
  3. Step 3: Cross multiply
    8,947.69x = 13,423.70 × 3,755.05
  4. Step 4: Simplify right side
    8,947.69x = 50,406,664.69
  5. Step 5: Solve for x
    x = 50,406,664.69/8,947.69
  6. Step 6: Final answer
    x = 5,633.48

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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.