Home / 4,574.32-6,861.90-2,109.82

Finding the Fourth Proportional to 4,574.32, 6,861.90 and 2,109.82

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Solution

The fourth proportional to 4,574.32, 6,861.90 and 2,109.82 is: 3,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.32 : 6,861.90 = 2,109.82 : x
  2. Step 2: Convert to fraction form
    4,574.32/6,861.90 = 2,109.82/x
  3. Step 3: Cross multiply
    4,574.32x = 6,861.90 × 2,109.82
  4. Step 4: Simplify right side
    4,574.32x = 14,477,373.86
  5. Step 5: Solve for x
    x = 14,477,373.86/4,574.32
  6. Step 6: Final answer
    x = 3,164.92

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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.