Home / 7,069.68-10,603.17-2,687.58

Finding the Fourth Proportional to 7,069.68, 10,603.17 and 2,687.58

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Solution

The fourth proportional to 7,069.68, 10,603.17 and 2,687.58 is: 4,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.68 : 10,603.17 = 2,687.58 : x
  2. Step 2: Convert to fraction form
    7,069.68/10,603.17 = 2,687.58/x
  3. Step 3: Cross multiply
    7,069.68x = 10,603.17 × 2,687.58
  4. Step 4: Simplify right side
    7,069.68x = 28,496,867.63
  5. Step 5: Solve for x
    x = 28,496,867.63/7,069.68
  6. Step 6: Final answer
    x = 4,030.86

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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.