Home / 5,725.32-7,901.52-3,486.90

Finding the Fourth Proportional to 5,725.32, 7,901.52 and 3,486.90

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Solution

The fourth proportional to 5,725.32, 7,901.52 and 3,486.90 is: 4,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.32 : 7,901.52 = 3,486.90 : x
  2. Step 2: Convert to fraction form
    5,725.32/7,901.52 = 3,486.90/x
  3. Step 3: Cross multiply
    5,725.32x = 7,901.52 × 3,486.90
  4. Step 4: Simplify right side
    5,725.32x = 27,551,810.09
  5. Step 5: Solve for x
    x = 27,551,810.09/5,725.32
  6. Step 6: Final answer
    x = 4,812.27

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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.