Home / 5,725.06-7,900.52-3,207.40

Finding the Fourth Proportional to 5,725.06, 7,900.52 and 3,207.40

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Solution

The fourth proportional to 5,725.06, 7,900.52 and 3,207.40 is: 4,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.06 : 7,900.52 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    5,725.06/7,900.52 = 3,207.40/x
  3. Step 3: Cross multiply
    5,725.06x = 7,900.52 × 3,207.40
  4. Step 4: Simplify right side
    5,725.06x = 25,340,127.85
  5. Step 5: Solve for x
    x = 25,340,127.85/5,725.06
  6. Step 6: Final answer
    x = 4,426.18

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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.