Home / 7,536.63-10,400.81-4,179.25

Finding the Fourth Proportional to 7,536.63, 10,400.81 and 4,179.25

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Solution

The fourth proportional to 7,536.63, 10,400.81 and 4,179.25 is: 5,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.63 : 10,400.81 = 4,179.25 : x
  2. Step 2: Convert to fraction form
    7,536.63/10,400.81 = 4,179.25/x
  3. Step 3: Cross multiply
    7,536.63x = 10,400.81 × 4,179.25
  4. Step 4: Simplify right side
    7,536.63x = 43,467,585.19
  5. Step 5: Solve for x
    x = 43,467,585.19/7,536.63
  6. Step 6: Final answer
    x = 5,767.51

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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.