Home / 7,137.45-10,700.69-3,624.57

Finding the Fourth Proportional to 7,137.45, 10,700.69 and 3,624.57

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Solution

The fourth proportional to 7,137.45, 10,700.69 and 3,624.57 is: 5,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.45 : 10,700.69 = 3,624.57 : x
  2. Step 2: Convert to fraction form
    7,137.45/10,700.69 = 3,624.57/x
  3. Step 3: Cross multiply
    7,137.45x = 10,700.69 × 3,624.57
  4. Step 4: Simplify right side
    7,137.45x = 38,785,381.83
  5. Step 5: Solve for x
    x = 38,785,381.83/7,137.45
  6. Step 6: Final answer
    x = 5,434.07

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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.