Home / 7,347.22-11,019.99-2,153.62

Finding the Fourth Proportional to 7,347.22, 11,019.99 and 2,153.62

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Solution

The fourth proportional to 7,347.22, 11,019.99 and 2,153.62 is: 3,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.22 : 11,019.99 = 2,153.62 : x
  2. Step 2: Convert to fraction form
    7,347.22/11,019.99 = 2,153.62/x
  3. Step 3: Cross multiply
    7,347.22x = 11,019.99 × 2,153.62
  4. Step 4: Simplify right side
    7,347.22x = 23,732,870.86
  5. Step 5: Solve for x
    x = 23,732,870.86/7,347.22
  6. Step 6: Final answer
    x = 3,230.18

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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.