Home / 9,690.05-13,370.46-5,712.41

Finding the Fourth Proportional to 9,690.05, 13,370.46 and 5,712.41

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Solution

The fourth proportional to 9,690.05, 13,370.46 and 5,712.41 is: 7,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.05 : 13,370.46 = 5,712.41 : x
  2. Step 2: Convert to fraction form
    9,690.05/13,370.46 = 5,712.41/x
  3. Step 3: Cross multiply
    9,690.05x = 13,370.46 × 5,712.41
  4. Step 4: Simplify right side
    9,690.05x = 76,377,549.41
  5. Step 5: Solve for x
    x = 76,377,549.41/9,690.05
  6. Step 6: Final answer
    x = 7,882.06

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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.