Home / 7,003.26-10,507.90-2,620.16

Finding the Fourth Proportional to 7,003.26, 10,507.90 and 2,620.16

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Solution

The fourth proportional to 7,003.26, 10,507.90 and 2,620.16 is: 3,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.26 : 10,507.90 = 2,620.16 : x
  2. Step 2: Convert to fraction form
    7,003.26/10,507.90 = 2,620.16/x
  3. Step 3: Cross multiply
    7,003.26x = 10,507.90 × 2,620.16
  4. Step 4: Simplify right side
    7,003.26x = 27,532,379.26
  5. Step 5: Solve for x
    x = 27,532,379.26/7,003.26
  6. Step 6: Final answer
    x = 3,931.37

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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.