Home / 6,369.30-9,554.40-1,689.27

Finding the Fourth Proportional to 6,369.30, 9,554.40 and 1,689.27

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Solution

The fourth proportional to 6,369.30, 9,554.40 and 1,689.27 is: 2,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.30 : 9,554.40 = 1,689.27 : x
  2. Step 2: Convert to fraction form
    6,369.30/9,554.40 = 1,689.27/x
  3. Step 3: Cross multiply
    6,369.30x = 9,554.40 × 1,689.27
  4. Step 4: Simplify right side
    6,369.30x = 16,139,961.29
  5. Step 5: Solve for x
    x = 16,139,961.29/6,369.30
  6. Step 6: Final answer
    x = 2,534.02

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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.