Home / 4,431.06-6,642.27-2,124.18

Finding the Fourth Proportional to 4,431.06, 6,642.27 and 2,124.18

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Solution

The fourth proportional to 4,431.06, 6,642.27 and 2,124.18 is: 3,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.06 : 6,642.27 = 2,124.18 : x
  2. Step 2: Convert to fraction form
    4,431.06/6,642.27 = 2,124.18/x
  3. Step 3: Cross multiply
    4,431.06x = 6,642.27 × 2,124.18
  4. Step 4: Simplify right side
    4,431.06x = 14,109,377.09
  5. Step 5: Solve for x
    x = 14,109,377.09/4,431.06
  6. Step 6: Final answer
    x = 3,184.20

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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.