Home / 9,715.14-14,572.71-2,789.64

Finding the Fourth Proportional to 9,715.14, 14,572.71 and 2,789.64

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Solution

The fourth proportional to 9,715.14, 14,572.71 and 2,789.64 is: 4,184.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.14 : 14,572.71 = 2,789.64 : x
  2. Step 2: Convert to fraction form
    9,715.14/14,572.71 = 2,789.64/x
  3. Step 3: Cross multiply
    9,715.14x = 14,572.71 × 2,789.64
  4. Step 4: Simplify right side
    9,715.14x = 40,652,614.72
  5. Step 5: Solve for x
    x = 40,652,614.72/9,715.14
  6. Step 6: Final answer
    x = 4,184.46

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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.