Home / 7,039.81-10,562.13-2,658.52

Finding the Fourth Proportional to 7,039.81, 10,562.13 and 2,658.52

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Solution

The fourth proportional to 7,039.81, 10,562.13 and 2,658.52 is: 3,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.81 : 10,562.13 = 2,658.52 : x
  2. Step 2: Convert to fraction form
    7,039.81/10,562.13 = 2,658.52/x
  3. Step 3: Cross multiply
    7,039.81x = 10,562.13 × 2,658.52
  4. Step 4: Simplify right side
    7,039.81x = 28,079,633.85
  5. Step 5: Solve for x
    x = 28,079,633.85/7,039.81
  6. Step 6: Final answer
    x = 3,988.69

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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.