Home / 7,209.83-10,813.80-2,279.96

Finding the Fourth Proportional to 7,209.83, 10,813.80 and 2,279.96

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Solution

The fourth proportional to 7,209.83, 10,813.80 and 2,279.96 is: 3,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.83 : 10,813.80 = 2,279.96 : x
  2. Step 2: Convert to fraction form
    7,209.83/10,813.80 = 2,279.96/x
  3. Step 3: Cross multiply
    7,209.83x = 10,813.80 × 2,279.96
  4. Step 4: Simplify right side
    7,209.83x = 24,655,031.45
  5. Step 5: Solve for x
    x = 24,655,031.45/7,209.83
  6. Step 6: Final answer
    x = 3,419.64

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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.