Home / 7,625.34-11,437.98-2,431.20

Finding the Fourth Proportional to 7,625.34, 11,437.98 and 2,431.20

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Solution

The fourth proportional to 7,625.34, 11,437.98 and 2,431.20 is: 3,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.34 : 11,437.98 = 2,431.20 : x
  2. Step 2: Convert to fraction form
    7,625.34/11,437.98 = 2,431.20/x
  3. Step 3: Cross multiply
    7,625.34x = 11,437.98 × 2,431.20
  4. Step 4: Simplify right side
    7,625.34x = 27,808,016.98
  5. Step 5: Solve for x
    x = 27,808,016.98/7,625.34
  6. Step 6: Final answer
    x = 3,646.79

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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.