Home / 7,246.12-10,870.84-2,629.12

Finding the Fourth Proportional to 7,246.12, 10,870.84 and 2,629.12

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Solution

The fourth proportional to 7,246.12, 10,870.84 and 2,629.12 is: 3,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.12 : 10,870.84 = 2,629.12 : x
  2. Step 2: Convert to fraction form
    7,246.12/10,870.84 = 2,629.12/x
  3. Step 3: Cross multiply
    7,246.12x = 10,870.84 × 2,629.12
  4. Step 4: Simplify right side
    7,246.12x = 28,580,742.86
  5. Step 5: Solve for x
    x = 28,580,742.86/7,246.12
  6. Step 6: Final answer
    x = 3,944.28

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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.