Home / 7,518.39-11,278.96-2,520.27

Finding the Fourth Proportional to 7,518.39, 11,278.96 and 2,520.27

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Solution

The fourth proportional to 7,518.39, 11,278.96 and 2,520.27 is: 3,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.39 : 11,278.96 = 2,520.27 : x
  2. Step 2: Convert to fraction form
    7,518.39/11,278.96 = 2,520.27/x
  3. Step 3: Cross multiply
    7,518.39x = 11,278.96 × 2,520.27
  4. Step 4: Simplify right side
    7,518.39x = 28,426,024.52
  5. Step 5: Solve for x
    x = 28,426,024.52/7,518.39
  6. Step 6: Final answer
    x = 3,780.87

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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.