Home / 9,430.92-14,145.78-2,857.32

Finding the Fourth Proportional to 9,430.92, 14,145.78 and 2,857.32

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Solution

The fourth proportional to 9,430.92, 14,145.78 and 2,857.32 is: 4,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.92 : 14,145.78 = 2,857.32 : x
  2. Step 2: Convert to fraction form
    9,430.92/14,145.78 = 2,857.32/x
  3. Step 3: Cross multiply
    9,430.92x = 14,145.78 × 2,857.32
  4. Step 4: Simplify right side
    9,430.92x = 40,419,020.11
  5. Step 5: Solve for x
    x = 40,419,020.11/9,430.92
  6. Step 6: Final answer
    x = 4,285.80

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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.