Home / 4,376.30-6,558.51-2,180.21

Finding the Fourth Proportional to 4,376.30, 6,558.51 and 2,180.21

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Solution

The fourth proportional to 4,376.30, 6,558.51 and 2,180.21 is: 3,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.30 : 6,558.51 = 2,180.21 : x
  2. Step 2: Convert to fraction form
    4,376.30/6,558.51 = 2,180.21/x
  3. Step 3: Cross multiply
    4,376.30x = 6,558.51 × 2,180.21
  4. Step 4: Simplify right side
    4,376.30x = 14,298,929.09
  5. Step 5: Solve for x
    x = 14,298,929.09/4,376.30
  6. Step 6: Final answer
    x = 3,267.36

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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.