Home / 4,466.57-6,690.89-2,128.83

Finding the Fourth Proportional to 4,466.57, 6,690.89 and 2,128.83

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Solution

The fourth proportional to 4,466.57, 6,690.89 and 2,128.83 is: 3,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,466.57 : 6,690.89 = 2,128.83 : x
  2. Step 2: Convert to fraction form
    4,466.57/6,690.89 = 2,128.83/x
  3. Step 3: Cross multiply
    4,466.57x = 6,690.89 × 2,128.83
  4. Step 4: Simplify right side
    4,466.57x = 14,243,756.71
  5. Step 5: Solve for x
    x = 14,243,756.71/4,466.57
  6. Step 6: Final answer
    x = 3,188.97

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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.