Home / 7,072.58-10,610.23-2,689.70

Finding the Fourth Proportional to 7,072.58, 10,610.23 and 2,689.70

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Solution

The fourth proportional to 7,072.58, 10,610.23 and 2,689.70 is: 4,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.58 : 10,610.23 = 2,689.70 : x
  2. Step 2: Convert to fraction form
    7,072.58/10,610.23 = 2,689.70/x
  3. Step 3: Cross multiply
    7,072.58x = 10,610.23 × 2,689.70
  4. Step 4: Simplify right side
    7,072.58x = 28,538,335.63
  5. Step 5: Solve for x
    x = 28,538,335.63/7,072.58
  6. Step 6: Final answer
    x = 4,035.07

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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.