Home / 7,326.78-10,110.60-4,182.36

Finding the Fourth Proportional to 7,326.78, 10,110.60 and 4,182.36

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Solution

The fourth proportional to 7,326.78, 10,110.60 and 4,182.36 is: 5,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.78 : 10,110.60 = 4,182.36 : x
  2. Step 2: Convert to fraction form
    7,326.78/10,110.60 = 4,182.36/x
  3. Step 3: Cross multiply
    7,326.78x = 10,110.60 × 4,182.36
  4. Step 4: Simplify right side
    7,326.78x = 42,286,169.02
  5. Step 5: Solve for x
    x = 42,286,169.02/7,326.78
  6. Step 6: Final answer
    x = 5,771.45

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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.