Home / 7,272.47-10,914.14-2,830.83

Finding the Fourth Proportional to 7,272.47, 10,914.14 and 2,830.83

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Solution

The fourth proportional to 7,272.47, 10,914.14 and 2,830.83 is: 4,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.47 : 10,914.14 = 2,830.83 : x
  2. Step 2: Convert to fraction form
    7,272.47/10,914.14 = 2,830.83/x
  3. Step 3: Cross multiply
    7,272.47x = 10,914.14 × 2,830.83
  4. Step 4: Simplify right side
    7,272.47x = 30,896,074.94
  5. Step 5: Solve for x
    x = 30,896,074.94/7,272.47
  6. Step 6: Final answer
    x = 4,248.36

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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.