Home / 7,179.36-10,749.60-4,866.24

Finding the Fourth Proportional to 7,179.36, 10,749.60 and 4,866.24

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Solution

The fourth proportional to 7,179.36, 10,749.60 and 4,866.24 is: 7,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.36 : 10,749.60 = 4,866.24 : x
  2. Step 2: Convert to fraction form
    7,179.36/10,749.60 = 4,866.24/x
  3. Step 3: Cross multiply
    7,179.36x = 10,749.60 × 4,866.24
  4. Step 4: Simplify right side
    7,179.36x = 52,310,133.50
  5. Step 5: Solve for x
    x = 52,310,133.50/7,179.36
  6. Step 6: Final answer
    x = 7,286.18

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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.