Home / 10,620.04-15,930.44-2,828.88

Finding the Fourth Proportional to 10,620.04, 15,930.44 and 2,828.88

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Solution

The fourth proportional to 10,620.04, 15,930.44 and 2,828.88 is: 4,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.04 : 15,930.44 = 2,828.88 : x
  2. Step 2: Convert to fraction form
    10,620.04/15,930.44 = 2,828.88/x
  3. Step 3: Cross multiply
    10,620.04x = 15,930.44 × 2,828.88
  4. Step 4: Simplify right side
    10,620.04x = 45,065,303.11
  5. Step 5: Solve for x
    x = 45,065,303.11/10,620.04
  6. Step 6: Final answer
    x = 4,243.42

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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.