Home / 9,439.80-14,159.70-2,866.02

Finding the Fourth Proportional to 9,439.80, 14,159.70 and 2,866.02

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Solution

The fourth proportional to 9,439.80, 14,159.70 and 2,866.02 is: 4,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.80 : 14,159.70 = 2,866.02 : x
  2. Step 2: Convert to fraction form
    9,439.80/14,159.70 = 2,866.02/x
  3. Step 3: Cross multiply
    9,439.80x = 14,159.70 × 2,866.02
  4. Step 4: Simplify right side
    9,439.80x = 40,581,983.39
  5. Step 5: Solve for x
    x = 40,581,983.39/9,439.80
  6. Step 6: Final answer
    x = 4,299.03

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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.