Home / 7,485.49-11,222.14-2,802.88

Finding the Fourth Proportional to 7,485.49, 11,222.14 and 2,802.88

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Solution

The fourth proportional to 7,485.49, 11,222.14 and 2,802.88 is: 4,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.49 : 11,222.14 = 2,802.88 : x
  2. Step 2: Convert to fraction form
    7,485.49/11,222.14 = 2,802.88/x
  3. Step 3: Cross multiply
    7,485.49x = 11,222.14 × 2,802.88
  4. Step 4: Simplify right side
    7,485.49x = 31,454,311.76
  5. Step 5: Solve for x
    x = 31,454,311.76/7,485.49
  6. Step 6: Final answer
    x = 4,202.04

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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.