Home / 9,385.21-14,074.35-2,809.18

Finding the Fourth Proportional to 9,385.21, 14,074.35 and 2,809.18

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Solution

The fourth proportional to 9,385.21, 14,074.35 and 2,809.18 is: 4,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.21 : 14,074.35 = 2,809.18 : x
  2. Step 2: Convert to fraction form
    9,385.21/14,074.35 = 2,809.18/x
  3. Step 3: Cross multiply
    9,385.21x = 14,074.35 × 2,809.18
  4. Step 4: Simplify right side
    9,385.21x = 39,537,382.53
  5. Step 5: Solve for x
    x = 39,537,382.53/9,385.21
  6. Step 6: Final answer
    x = 4,212.73

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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.