Home / 6,954.33-10,431.40-1,689.38

Finding the Fourth Proportional to 6,954.33, 10,431.40 and 1,689.38

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Solution

The fourth proportional to 6,954.33, 10,431.40 and 1,689.38 is: 2,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.33 : 10,431.40 = 1,689.38 : x
  2. Step 2: Convert to fraction form
    6,954.33/10,431.40 = 1,689.38/x
  3. Step 3: Cross multiply
    6,954.33x = 10,431.40 × 1,689.38
  4. Step 4: Simplify right side
    6,954.33x = 17,622,598.53
  5. Step 5: Solve for x
    x = 17,622,598.53/6,954.33
  6. Step 6: Final answer
    x = 2,534.05

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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.