Home / 7,443.80-11,165.34-2,513.63

Finding the Fourth Proportional to 7,443.80, 11,165.34 and 2,513.63

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Solution

The fourth proportional to 7,443.80, 11,165.34 and 2,513.63 is: 3,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.80 : 11,165.34 = 2,513.63 : x
  2. Step 2: Convert to fraction form
    7,443.80/11,165.34 = 2,513.63/x
  3. Step 3: Cross multiply
    7,443.80x = 11,165.34 × 2,513.63
  4. Step 4: Simplify right side
    7,443.80x = 28,065,570.92
  5. Step 5: Solve for x
    x = 28,065,570.92/7,443.80
  6. Step 6: Final answer
    x = 3,770.33

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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.