Home / 9,430.82-14,146.31-2,857.52

Finding the Fourth Proportional to 9,430.82, 14,146.31 and 2,857.52

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Solution

The fourth proportional to 9,430.82, 14,146.31 and 2,857.52 is: 4,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.82 : 14,146.31 = 2,857.52 : x
  2. Step 2: Convert to fraction form
    9,430.82/14,146.31 = 2,857.52/x
  3. Step 3: Cross multiply
    9,430.82x = 14,146.31 × 2,857.52
  4. Step 4: Simplify right side
    9,430.82x = 40,423,363.75
  5. Step 5: Solve for x
    x = 40,423,363.75/9,430.82
  6. Step 6: Final answer
    x = 4,286.30

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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.