Home / 7,326.80-10,110.96-4,182.80

Finding the Fourth Proportional to 7,326.80, 10,110.96 and 4,182.80

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Solution

The fourth proportional to 7,326.80, 10,110.96 and 4,182.80 is: 5,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.80 : 10,110.96 = 4,182.80 : x
  2. Step 2: Convert to fraction form
    7,326.80/10,110.96 = 4,182.80/x
  3. Step 3: Cross multiply
    7,326.80x = 10,110.96 × 4,182.80
  4. Step 4: Simplify right side
    7,326.80x = 42,292,123.49
  5. Step 5: Solve for x
    x = 42,292,123.49/7,326.80
  6. Step 6: Final answer
    x = 5,772.25

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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.