Home / 5,725.15-7,901.11-3,207.50

Finding the Fourth Proportional to 5,725.15, 7,901.11 and 3,207.50

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Solution

The fourth proportional to 5,725.15, 7,901.11 and 3,207.50 is: 4,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.15 : 7,901.11 = 3,207.50 : x
  2. Step 2: Convert to fraction form
    5,725.15/7,901.11 = 3,207.50/x
  3. Step 3: Cross multiply
    5,725.15x = 7,901.11 × 3,207.50
  4. Step 4: Simplify right side
    5,725.15x = 25,342,804.46
  5. Step 5: Solve for x
    x = 25,342,804.46/5,725.15
  6. Step 6: Final answer
    x = 4,426.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.