Home / 5,725.05-7,901.54-3,487.80

Finding the Fourth Proportional to 5,725.05, 7,901.54 and 3,487.80

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Solution

The fourth proportional to 5,725.05, 7,901.54 and 3,487.80 is: 4,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.05 : 7,901.54 = 3,487.80 : x
  2. Step 2: Convert to fraction form
    5,725.05/7,901.54 = 3,487.80/x
  3. Step 3: Cross multiply
    5,725.05x = 7,901.54 × 3,487.80
  4. Step 4: Simplify right side
    5,725.05x = 27,558,973.77
  5. Step 5: Solve for x
    x = 27,558,973.77/5,725.05
  6. Step 6: Final answer
    x = 4,813.75

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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.