Home / 6,813.30-10,221.30-5,725.20

Finding the Fourth Proportional to 6,813.30, 10,221.30 and 5,725.20

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Solution

The fourth proportional to 6,813.30, 10,221.30 and 5,725.20 is: 8,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.30 : 10,221.30 = 5,725.20 : x
  2. Step 2: Convert to fraction form
    6,813.30/10,221.30 = 5,725.20/x
  3. Step 3: Cross multiply
    6,813.30x = 10,221.30 × 5,725.20
  4. Step 4: Simplify right side
    6,813.30x = 58,518,986.76
  5. Step 5: Solve for x
    x = 58,518,986.76/6,813.30
  6. Step 6: Final answer
    x = 8,588.93

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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.