Home / 7,216.40-10,820.54-2,832.14

Finding the Fourth Proportional to 7,216.40, 10,820.54 and 2,832.14

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Solution

The fourth proportional to 7,216.40, 10,820.54 and 2,832.14 is: 4,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.40 : 10,820.54 = 2,832.14 : x
  2. Step 2: Convert to fraction form
    7,216.40/10,820.54 = 2,832.14/x
  3. Step 3: Cross multiply
    7,216.40x = 10,820.54 × 2,832.14
  4. Step 4: Simplify right side
    7,216.40x = 30,645,284.16
  5. Step 5: Solve for x
    x = 30,645,284.16/7,216.40
  6. Step 6: Final answer
    x = 4,246.62

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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.