Home / 9,719.28-14,567.97-3,869.07

Finding the Fourth Proportional to 9,719.28, 14,567.97 and 3,869.07

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Solution

The fourth proportional to 9,719.28, 14,567.97 and 3,869.07 is: 5,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.28 : 14,567.97 = 3,869.07 : x
  2. Step 2: Convert to fraction form
    9,719.28/14,567.97 = 3,869.07/x
  3. Step 3: Cross multiply
    9,719.28x = 14,567.97 × 3,869.07
  4. Step 4: Simplify right side
    9,719.28x = 56,364,495.69
  5. Step 5: Solve for x
    x = 56,364,495.69/9,719.28
  6. Step 6: Final answer
    x = 5,799.25

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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.