Home / 9,430.38-14,145.75-2,856.54

Finding the Fourth Proportional to 9,430.38, 14,145.75 and 2,856.54

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Solution

The fourth proportional to 9,430.38, 14,145.75 and 2,856.54 is: 4,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.38 : 14,145.75 = 2,856.54 : x
  2. Step 2: Convert to fraction form
    9,430.38/14,145.75 = 2,856.54/x
  3. Step 3: Cross multiply
    9,430.38x = 14,145.75 × 2,856.54
  4. Step 4: Simplify right side
    9,430.38x = 40,407,900.71
  5. Step 5: Solve for x
    x = 40,407,900.71/9,430.38
  6. Step 6: Final answer
    x = 4,284.86

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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.