Home / 7,346.10-11,015.10-3,185.40

Finding the Fourth Proportional to 7,346.10, 11,015.10 and 3,185.40

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Solution

The fourth proportional to 7,346.10, 11,015.10 and 3,185.40 is: 4,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.10 : 11,015.10 = 3,185.40 : x
  2. Step 2: Convert to fraction form
    7,346.10/11,015.10 = 3,185.40/x
  3. Step 3: Cross multiply
    7,346.10x = 11,015.10 × 3,185.40
  4. Step 4: Simplify right side
    7,346.10x = 35,087,499.54
  5. Step 5: Solve for x
    x = 35,087,499.54/7,346.10
  6. Step 6: Final answer
    x = 4,776.34

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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.