Home / 6,425.31-9,637.97-1,808.31

Finding the Fourth Proportional to 6,425.31, 9,637.97 and 1,808.31

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Solution

The fourth proportional to 6,425.31, 9,637.97 and 1,808.31 is: 2,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.31 : 9,637.97 = 1,808.31 : x
  2. Step 2: Convert to fraction form
    6,425.31/9,637.97 = 1,808.31/x
  3. Step 3: Cross multiply
    6,425.31x = 9,637.97 × 1,808.31
  4. Step 4: Simplify right side
    6,425.31x = 17,428,437.53
  5. Step 5: Solve for x
    x = 17,428,437.53/6,425.31
  6. Step 6: Final answer
    x = 2,712.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.