Home / 9,106.43-13,640.50-4,180.21

Finding the Fourth Proportional to 9,106.43, 13,640.50 and 4,180.21

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Solution

The fourth proportional to 9,106.43, 13,640.50 and 4,180.21 is: 6,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.43 : 13,640.50 = 4,180.21 : x
  2. Step 2: Convert to fraction form
    9,106.43/13,640.50 = 4,180.21/x
  3. Step 3: Cross multiply
    9,106.43x = 13,640.50 × 4,180.21
  4. Step 4: Simplify right side
    9,106.43x = 57,020,125.63
  5. Step 5: Solve for x
    x = 57,020,125.63/9,106.43
  6. Step 6: Final answer
    x = 6,261.53

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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.