Home / 4,502.40-6,751.44-2,128.51

Finding the Fourth Proportional to 4,502.40, 6,751.44 and 2,128.51

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Solution

The fourth proportional to 4,502.40, 6,751.44 and 2,128.51 is: 3,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.40 : 6,751.44 = 2,128.51 : x
  2. Step 2: Convert to fraction form
    4,502.40/6,751.44 = 2,128.51/x
  3. Step 3: Cross multiply
    4,502.40x = 6,751.44 × 2,128.51
  4. Step 4: Simplify right side
    4,502.40x = 14,370,463.15
  5. Step 5: Solve for x
    x = 14,370,463.15/4,502.40
  6. Step 6: Final answer
    x = 3,191.73

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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.