Home / 9,689.25-13,371.51-5,713.77

Finding the Fourth Proportional to 9,689.25, 13,371.51 and 5,713.77

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Solution

The fourth proportional to 9,689.25, 13,371.51 and 5,713.77 is: 7,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.25 : 13,371.51 = 5,713.77 : x
  2. Step 2: Convert to fraction form
    9,689.25/13,371.51 = 5,713.77/x
  3. Step 3: Cross multiply
    9,689.25x = 13,371.51 × 5,713.77
  4. Step 4: Simplify right side
    9,689.25x = 76,401,732.69
  5. Step 5: Solve for x
    x = 76,401,732.69/9,689.25
  6. Step 6: Final answer
    x = 7,885.21

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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.