Home / 7,220.86-10,832.64-2,289.18

Finding the Fourth Proportional to 7,220.86, 10,832.64 and 2,289.18

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Solution

The fourth proportional to 7,220.86, 10,832.64 and 2,289.18 is: 3,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.86 : 10,832.64 = 2,289.18 : x
  2. Step 2: Convert to fraction form
    7,220.86/10,832.64 = 2,289.18/x
  3. Step 3: Cross multiply
    7,220.86x = 10,832.64 × 2,289.18
  4. Step 4: Simplify right side
    7,220.86x = 24,797,808.67
  5. Step 5: Solve for x
    x = 24,797,808.67/7,220.86
  6. Step 6: Final answer
    x = 3,434.19

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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.