Home / 9,430.90-14,147.04-2,857.61

Finding the Fourth Proportional to 9,430.90, 14,147.04 and 2,857.61

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Solution

The fourth proportional to 9,430.90, 14,147.04 and 2,857.61 is: 4,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.90 : 14,147.04 = 2,857.61 : x
  2. Step 2: Convert to fraction form
    9,430.90/14,147.04 = 2,857.61/x
  3. Step 3: Cross multiply
    9,430.90x = 14,147.04 × 2,857.61
  4. Step 4: Simplify right side
    9,430.90x = 40,426,722.97
  5. Step 5: Solve for x
    x = 40,426,722.97/9,430.90
  6. Step 6: Final answer
    x = 4,286.62

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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.