Home / 4,421.89-6,640.42-4,054.81

Finding the Fourth Proportional to 4,421.89, 6,640.42 and 4,054.81

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Solution

The fourth proportional to 4,421.89, 6,640.42 and 4,054.81 is: 6,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.89 : 6,640.42 = 4,054.81 : x
  2. Step 2: Convert to fraction form
    4,421.89/6,640.42 = 4,054.81/x
  3. Step 3: Cross multiply
    4,421.89x = 6,640.42 × 4,054.81
  4. Step 4: Simplify right side
    4,421.89x = 26,925,608.22
  5. Step 5: Solve for x
    x = 26,925,608.22/4,421.89
  6. Step 6: Final answer
    x = 6,089.17

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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.