Home / 7,619.43-11,430.90-3,237.06

Finding the Fourth Proportional to 7,619.43, 11,430.90 and 3,237.06

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Solution

The fourth proportional to 7,619.43, 11,430.90 and 3,237.06 is: 4,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.43 : 11,430.90 = 3,237.06 : x
  2. Step 2: Convert to fraction form
    7,619.43/11,430.90 = 3,237.06/x
  3. Step 3: Cross multiply
    7,619.43x = 11,430.90 × 3,237.06
  4. Step 4: Simplify right side
    7,619.43x = 37,002,509.15
  5. Step 5: Solve for x
    x = 37,002,509.15/7,619.43
  6. Step 6: Final answer
    x = 4,856.34

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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.