Home / 7,589.08-11,381.32-2,657.80

Finding the Fourth Proportional to 7,589.08, 11,381.32 and 2,657.80

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Solution

The fourth proportional to 7,589.08, 11,381.32 and 2,657.80 is: 3,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.08 : 11,381.32 = 2,657.80 : x
  2. Step 2: Convert to fraction form
    7,589.08/11,381.32 = 2,657.80/x
  3. Step 3: Cross multiply
    7,589.08x = 11,381.32 × 2,657.80
  4. Step 4: Simplify right side
    7,589.08x = 30,249,272.30
  5. Step 5: Solve for x
    x = 30,249,272.30/7,589.08
  6. Step 6: Final answer
    x = 3,985.89

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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.