Home / 3,875.13-5,784.60-3,317.43

Finding the Fourth Proportional to 3,875.13, 5,784.60 and 3,317.43

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Solution

The fourth proportional to 3,875.13, 5,784.60 and 3,317.43 is: 4,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.13 : 5,784.60 = 3,317.43 : x
  2. Step 2: Convert to fraction form
    3,875.13/5,784.60 = 3,317.43/x
  3. Step 3: Cross multiply
    3,875.13x = 5,784.60 × 3,317.43
  4. Step 4: Simplify right side
    3,875.13x = 19,190,005.58
  5. Step 5: Solve for x
    x = 19,190,005.58/3,875.13
  6. Step 6: Final answer
    x = 4,952.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.