Home / 7,397.49-11,089.75-2,783.73

Finding the Fourth Proportional to 7,397.49, 11,089.75 and 2,783.73

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Solution

The fourth proportional to 7,397.49, 11,089.75 and 2,783.73 is: 4,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.49 : 11,089.75 = 2,783.73 : x
  2. Step 2: Convert to fraction form
    7,397.49/11,089.75 = 2,783.73/x
  3. Step 3: Cross multiply
    7,397.49x = 11,089.75 × 2,783.73
  4. Step 4: Simplify right side
    7,397.49x = 30,870,869.77
  5. Step 5: Solve for x
    x = 30,870,869.77/7,397.49
  6. Step 6: Final answer
    x = 4,173.15

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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.