Home / 7,216.40-10,832.70-5,580.20

Finding the Fourth Proportional to 7,216.40, 10,832.70 and 5,580.20

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Solution

The fourth proportional to 7,216.40, 10,832.70 and 5,580.20 is: 8,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.40 : 10,832.70 = 5,580.20 : x
  2. Step 2: Convert to fraction form
    7,216.40/10,832.70 = 5,580.20/x
  3. Step 3: Cross multiply
    7,216.40x = 10,832.70 × 5,580.20
  4. Step 4: Simplify right side
    7,216.40x = 60,448,632.54
  5. Step 5: Solve for x
    x = 60,448,632.54/7,216.40
  6. Step 6: Final answer
    x = 8,376.56

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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.