Home / 3,875.58-5,339.99-3,557.09

Finding the Fourth Proportional to 3,875.58, 5,339.99 and 3,557.09

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Solution

The fourth proportional to 3,875.58, 5,339.99 and 3,557.09 is: 4,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.58 : 5,339.99 = 3,557.09 : x
  2. Step 2: Convert to fraction form
    3,875.58/5,339.99 = 3,557.09/x
  3. Step 3: Cross multiply
    3,875.58x = 5,339.99 × 3,557.09
  4. Step 4: Simplify right side
    3,875.58x = 18,994,847.27
  5. Step 5: Solve for x
    x = 18,994,847.27/3,875.58
  6. Step 6: Final answer
    x = 4,901.16

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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.