Home / 7,536.24-10,399.79-4,179.40

Finding the Fourth Proportional to 7,536.24, 10,399.79 and 4,179.40

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Solution

The fourth proportional to 7,536.24, 10,399.79 and 4,179.40 is: 5,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.24 : 10,399.79 = 4,179.40 : x
  2. Step 2: Convert to fraction form
    7,536.24/10,399.79 = 4,179.40/x
  3. Step 3: Cross multiply
    7,536.24x = 10,399.79 × 4,179.40
  4. Step 4: Simplify right side
    7,536.24x = 43,464,866.78
  5. Step 5: Solve for x
    x = 43,464,866.78/7,536.24
  6. Step 6: Final answer
    x = 5,767.45

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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.