Home / 9,205.13-13,807.70-2,279.63

Finding the Fourth Proportional to 9,205.13, 13,807.70 and 2,279.63

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Solution

The fourth proportional to 9,205.13, 13,807.70 and 2,279.63 is: 3,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.13 : 13,807.70 = 2,279.63 : x
  2. Step 2: Convert to fraction form
    9,205.13/13,807.70 = 2,279.63/x
  3. Step 3: Cross multiply
    9,205.13x = 13,807.70 × 2,279.63
  4. Step 4: Simplify right side
    9,205.13x = 31,476,366.71
  5. Step 5: Solve for x
    x = 31,476,366.71/9,205.13
  6. Step 6: Final answer
    x = 3,419.44

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1.5x scale

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.