Home / 7,448.42-11,172.61-1,901.76

Finding the Fourth Proportional to 7,448.42, 11,172.61 and 1,901.76

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Solution

The fourth proportional to 7,448.42, 11,172.61 and 1,901.76 is: 2,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.42 : 11,172.61 = 1,901.76 : x
  2. Step 2: Convert to fraction form
    7,448.42/11,172.61 = 1,901.76/x
  3. Step 3: Cross multiply
    7,448.42x = 11,172.61 × 1,901.76
  4. Step 4: Simplify right side
    7,448.42x = 21,247,618.04
  5. Step 5: Solve for x
    x = 21,247,618.04/7,448.42
  6. Step 6: Final answer
    x = 2,852.64

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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.