Home / 5,637.16-8,455.73-1,939.42

Finding the Fourth Proportional to 5,637.16, 8,455.73 and 1,939.42

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Solution

The fourth proportional to 5,637.16, 8,455.73 and 1,939.42 is: 2,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.16 : 8,455.73 = 1,939.42 : x
  2. Step 2: Convert to fraction form
    5,637.16/8,455.73 = 1,939.42/x
  3. Step 3: Cross multiply
    5,637.16x = 8,455.73 × 1,939.42
  4. Step 4: Simplify right side
    5,637.16x = 16,399,176.09
  5. Step 5: Solve for x
    x = 16,399,176.09/5,637.16
  6. Step 6: Final answer
    x = 2,909.12

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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.