Home / 5,299.11-7,965.74-4,270.61

Finding the Fourth Proportional to 5,299.11, 7,965.74 and 4,270.61

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Solution

The fourth proportional to 5,299.11, 7,965.74 and 4,270.61 is: 6,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.11 : 7,965.74 = 4,270.61 : x
  2. Step 2: Convert to fraction form
    5,299.11/7,965.74 = 4,270.61/x
  3. Step 3: Cross multiply
    5,299.11x = 7,965.74 × 4,270.61
  4. Step 4: Simplify right side
    5,299.11x = 34,018,599.49
  5. Step 5: Solve for x
    x = 34,018,599.49/5,299.11
  6. Step 6: Final answer
    x = 6,419.68

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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.