Home / 7,813.83-11,725.53-3,133.34

Finding the Fourth Proportional to 7,813.83, 11,725.53 and 3,133.34

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Solution

The fourth proportional to 7,813.83, 11,725.53 and 3,133.34 is: 4,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.83 : 11,725.53 = 3,133.34 : x
  2. Step 2: Convert to fraction form
    7,813.83/11,725.53 = 3,133.34/x
  3. Step 3: Cross multiply
    7,813.83x = 11,725.53 × 3,133.34
  4. Step 4: Simplify right side
    7,813.83x = 36,740,101.48
  5. Step 5: Solve for x
    x = 36,740,101.48/7,813.83
  6. Step 6: Final answer
    x = 4,701.93

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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.