Home / 5,308.79-7,326.27-3,071.36

Finding the Fourth Proportional to 5,308.79, 7,326.27 and 3,071.36

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Solution

The fourth proportional to 5,308.79, 7,326.27 and 3,071.36 is: 4,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.79 : 7,326.27 = 3,071.36 : x
  2. Step 2: Convert to fraction form
    5,308.79/7,326.27 = 3,071.36/x
  3. Step 3: Cross multiply
    5,308.79x = 7,326.27 × 3,071.36
  4. Step 4: Simplify right side
    5,308.79x = 22,501,612.63
  5. Step 5: Solve for x
    x = 22,501,612.63/5,308.79
  6. Step 6: Final answer
    x = 4,238.56

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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.