Home / 7,620.98-11,431.49-5,005.01

Finding the Fourth Proportional to 7,620.98, 11,431.49 and 5,005.01

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Solution

The fourth proportional to 7,620.98, 11,431.49 and 5,005.01 is: 7,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.98 : 11,431.49 = 5,005.01 : x
  2. Step 2: Convert to fraction form
    7,620.98/11,431.49 = 5,005.01/x
  3. Step 3: Cross multiply
    7,620.98x = 11,431.49 × 5,005.01
  4. Step 4: Simplify right side
    7,620.98x = 57,214,725.32
  5. Step 5: Solve for x
    x = 57,214,725.32/7,620.98
  6. Step 6: Final answer
    x = 7,507.53

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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.