Home / 7,563.26-11,330.58-4,278.72

Finding the Fourth Proportional to 7,563.26, 11,330.58 and 4,278.72

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Solution

The fourth proportional to 7,563.26, 11,330.58 and 4,278.72 is: 6,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.26 : 11,330.58 = 4,278.72 : x
  2. Step 2: Convert to fraction form
    7,563.26/11,330.58 = 4,278.72/x
  3. Step 3: Cross multiply
    7,563.26x = 11,330.58 × 4,278.72
  4. Step 4: Simplify right side
    7,563.26x = 48,480,379.26
  5. Step 5: Solve for x
    x = 48,480,379.26/7,563.26
  6. Step 6: Final answer
    x = 6,409.98

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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.