Home / 5,725.70-7,901.55-3,487.68

Finding the Fourth Proportional to 5,725.70, 7,901.55 and 3,487.68

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Solution

The fourth proportional to 5,725.70, 7,901.55 and 3,487.68 is: 4,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.70 : 7,901.55 = 3,487.68 : x
  2. Step 2: Convert to fraction form
    5,725.70/7,901.55 = 3,487.68/x
  3. Step 3: Cross multiply
    5,725.70x = 7,901.55 × 3,487.68
  4. Step 4: Simplify right side
    5,725.70x = 27,558,077.90
  5. Step 5: Solve for x
    x = 27,558,077.90/5,725.70
  6. Step 6: Final answer
    x = 4,813.05

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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.