Home / 7,520.61-11,281.65-2,589.60

Finding the Fourth Proportional to 7,520.61, 11,281.65 and 2,589.60

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Solution

The fourth proportional to 7,520.61, 11,281.65 and 2,589.60 is: 3,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.61 : 11,281.65 = 2,589.60 : x
  2. Step 2: Convert to fraction form
    7,520.61/11,281.65 = 2,589.60/x
  3. Step 3: Cross multiply
    7,520.61x = 11,281.65 × 2,589.60
  4. Step 4: Simplify right side
    7,520.61x = 29,214,960.84
  5. Step 5: Solve for x
    x = 29,214,960.84/7,520.61
  6. Step 6: Final answer
    x = 3,884.65

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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.