Home / 7,400.26-10,212.51-4,256.65

Finding the Fourth Proportional to 7,400.26, 10,212.51 and 4,256.65

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Solution

The fourth proportional to 7,400.26, 10,212.51 and 4,256.65 is: 5,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.26 : 10,212.51 = 4,256.65 : x
  2. Step 2: Convert to fraction form
    7,400.26/10,212.51 = 4,256.65/x
  3. Step 3: Cross multiply
    7,400.26x = 10,212.51 × 4,256.65
  4. Step 4: Simplify right side
    7,400.26x = 43,471,080.69
  5. Step 5: Solve for x
    x = 43,471,080.69/7,400.26
  6. Step 6: Final answer
    x = 5,874.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.