Home / 7,625.40-11,438.94-2,430.08

Finding the Fourth Proportional to 7,625.40, 11,438.94 and 2,430.08

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Solution

The fourth proportional to 7,625.40, 11,438.94 and 2,430.08 is: 3,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.40 : 11,438.94 = 2,430.08 : x
  2. Step 2: Convert to fraction form
    7,625.40/11,438.94 = 2,430.08/x
  3. Step 3: Cross multiply
    7,625.40x = 11,438.94 × 2,430.08
  4. Step 4: Simplify right side
    7,625.40x = 27,797,539.32
  5. Step 5: Solve for x
    x = 27,797,539.32/7,625.40
  6. Step 6: Final answer
    x = 3,645.39

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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.