Home / 7,520.09-11,272.69-3,564.40

Finding the Fourth Proportional to 7,520.09, 11,272.69 and 3,564.40

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Solution

The fourth proportional to 7,520.09, 11,272.69 and 3,564.40 is: 5,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.09 : 11,272.69 = 3,564.40 : x
  2. Step 2: Convert to fraction form
    7,520.09/11,272.69 = 3,564.40/x
  3. Step 3: Cross multiply
    7,520.09x = 11,272.69 × 3,564.40
  4. Step 4: Simplify right side
    7,520.09x = 40,180,376.24
  5. Step 5: Solve for x
    x = 40,180,376.24/7,520.09
  6. Step 6: Final answer
    x = 5,343.07

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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.