Home / 5,308.81-7,326.10-2,950.90

Finding the Fourth Proportional to 5,308.81, 7,326.10 and 2,950.90

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Solution

The fourth proportional to 5,308.81, 7,326.10 and 2,950.90 is: 4,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.81 : 7,326.10 = 2,950.90 : x
  2. Step 2: Convert to fraction form
    5,308.81/7,326.10 = 2,950.90/x
  3. Step 3: Cross multiply
    5,308.81x = 7,326.10 × 2,950.90
  4. Step 4: Simplify right side
    5,308.81x = 21,618,588.49
  5. Step 5: Solve for x
    x = 21,618,588.49/5,308.81
  6. Step 6: Final answer
    x = 4,072.21

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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.