Home / 7,536.47-10,400.15-4,179.26

Finding the Fourth Proportional to 7,536.47, 10,400.15 and 4,179.26

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Solution

The fourth proportional to 7,536.47, 10,400.15 and 4,179.26 is: 5,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.47 : 10,400.15 = 4,179.26 : x
  2. Step 2: Convert to fraction form
    7,536.47/10,400.15 = 4,179.26/x
  3. Step 3: Cross multiply
    7,536.47x = 10,400.15 × 4,179.26
  4. Step 4: Simplify right side
    7,536.47x = 43,464,857.99
  5. Step 5: Solve for x
    x = 43,464,857.99/7,536.47
  6. Step 6: Final answer
    x = 5,767.27

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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.