Home / 7,485.32-11,226.70-2,220.21

Finding the Fourth Proportional to 7,485.32, 11,226.70 and 2,220.21

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Solution

The fourth proportional to 7,485.32, 11,226.70 and 2,220.21 is: 3,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.32 : 11,226.70 = 2,220.21 : x
  2. Step 2: Convert to fraction form
    7,485.32/11,226.70 = 2,220.21/x
  3. Step 3: Cross multiply
    7,485.32x = 11,226.70 × 2,220.21
  4. Step 4: Simplify right side
    7,485.32x = 24,925,631.61
  5. Step 5: Solve for x
    x = 24,925,631.61/7,485.32
  6. Step 6: Final answer
    x = 3,329.94

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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.