Home / 7,644.28-10,546.70-4,286.60

Finding the Fourth Proportional to 7,644.28, 10,546.70 and 4,286.60

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Solution

The fourth proportional to 7,644.28, 10,546.70 and 4,286.60 is: 5,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.28 : 10,546.70 = 4,286.60 : x
  2. Step 2: Convert to fraction form
    7,644.28/10,546.70 = 4,286.60/x
  3. Step 3: Cross multiply
    7,644.28x = 10,546.70 × 4,286.60
  4. Step 4: Simplify right side
    7,644.28x = 45,209,484.22
  5. Step 5: Solve for x
    x = 45,209,484.22/7,644.28
  6. Step 6: Final answer
    x = 5,914.16

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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.