Home / 9,715.12-14,579.70-3,868.36

Finding the Fourth Proportional to 9,715.12, 14,579.70 and 3,868.36

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Solution

The fourth proportional to 9,715.12, 14,579.70 and 3,868.36 is: 5,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.12 : 14,579.70 = 3,868.36 : x
  2. Step 2: Convert to fraction form
    9,715.12/14,579.70 = 3,868.36/x
  3. Step 3: Cross multiply
    9,715.12x = 14,579.70 × 3,868.36
  4. Step 4: Simplify right side
    9,715.12x = 56,399,528.29
  5. Step 5: Solve for x
    x = 56,399,528.29/9,715.12
  6. Step 6: Final answer
    x = 5,805.34

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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.