Home / 7,535.51-10,400.08-4,179.07

Finding the Fourth Proportional to 7,535.51, 10,400.08 and 4,179.07

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Solution

The fourth proportional to 7,535.51, 10,400.08 and 4,179.07 is: 5,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.51 : 10,400.08 = 4,179.07 : x
  2. Step 2: Convert to fraction form
    7,535.51/10,400.08 = 4,179.07/x
  3. Step 3: Cross multiply
    7,535.51x = 10,400.08 × 4,179.07
  4. Step 4: Simplify right side
    7,535.51x = 43,462,662.33
  5. Step 5: Solve for x
    x = 43,462,662.33/7,535.51
  6. Step 6: Final answer
    x = 5,767.71

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Half scale
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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.