Home / 7,520.12-10,378.82-4,536.12

Finding the Fourth Proportional to 7,520.12, 10,378.82 and 4,536.12

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Solution

The fourth proportional to 7,520.12, 10,378.82 and 4,536.12 is: 6,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.12 : 10,378.82 = 4,536.12 : x
  2. Step 2: Convert to fraction form
    7,520.12/10,378.82 = 4,536.12/x
  3. Step 3: Cross multiply
    7,520.12x = 10,378.82 × 4,536.12
  4. Step 4: Simplify right side
    7,520.12x = 47,079,572.98
  5. Step 5: Solve for x
    x = 47,079,572.98/7,520.12
  6. Step 6: Final answer
    x = 6,260.48

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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.