Home / 7,022.72-10,534.05-1,828.60

Finding the Fourth Proportional to 7,022.72, 10,534.05 and 1,828.60

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Solution

The fourth proportional to 7,022.72, 10,534.05 and 1,828.60 is: 2,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.72 : 10,534.05 = 1,828.60 : x
  2. Step 2: Convert to fraction form
    7,022.72/10,534.05 = 1,828.60/x
  3. Step 3: Cross multiply
    7,022.72x = 10,534.05 × 1,828.60
  4. Step 4: Simplify right side
    7,022.72x = 19,262,537.49
  5. Step 5: Solve for x
    x = 19,262,537.49/7,022.72
  6. Step 6: Final answer
    x = 2,742.89

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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.