Home / 6,109.41-8,430.96-3,314.91

Finding the Fourth Proportional to 6,109.41, 8,430.96 and 3,314.91

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Solution

The fourth proportional to 6,109.41, 8,430.96 and 3,314.91 is: 4,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.41 : 8,430.96 = 3,314.91 : x
  2. Step 2: Convert to fraction form
    6,109.41/8,430.96 = 3,314.91/x
  3. Step 3: Cross multiply
    6,109.41x = 8,430.96 × 3,314.91
  4. Step 4: Simplify right side
    6,109.41x = 27,947,873.61
  5. Step 5: Solve for x
    x = 27,947,873.61/6,109.41
  6. Step 6: Final answer
    x = 4,574.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.