Home / 4,645.40-6,393.96-4,202.36

Finding the Fourth Proportional to 4,645.40, 6,393.96 and 4,202.36

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Solution

The fourth proportional to 4,645.40, 6,393.96 and 4,202.36 is: 5,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.40 : 6,393.96 = 4,202.36 : x
  2. Step 2: Convert to fraction form
    4,645.40/6,393.96 = 4,202.36/x
  3. Step 3: Cross multiply
    4,645.40x = 6,393.96 × 4,202.36
  4. Step 4: Simplify right side
    4,645.40x = 26,869,721.75
  5. Step 5: Solve for x
    x = 26,869,721.75/4,645.40
  6. Step 6: Final answer
    x = 5,784.16

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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.