Home / 5,637.60-8,456.96-1,939.33

Finding the Fourth Proportional to 5,637.60, 8,456.96 and 1,939.33

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Solution

The fourth proportional to 5,637.60, 8,456.96 and 1,939.33 is: 2,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.60 : 8,456.96 = 1,939.33 : x
  2. Step 2: Convert to fraction form
    5,637.60/8,456.96 = 1,939.33/x
  3. Step 3: Cross multiply
    5,637.60x = 8,456.96 × 1,939.33
  4. Step 4: Simplify right side
    5,637.60x = 16,400,836.24
  5. Step 5: Solve for x
    x = 16,400,836.24/5,637.60
  6. Step 6: Final answer
    x = 2,909.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.