Home / 5,637.63-8,457.38-1,938.97

Finding the Fourth Proportional to 5,637.63, 8,457.38 and 1,938.97

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Solution

The fourth proportional to 5,637.63, 8,457.38 and 1,938.97 is: 2,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.63 : 8,457.38 = 1,938.97 : x
  2. Step 2: Convert to fraction form
    5,637.63/8,457.38 = 1,938.97/x
  3. Step 3: Cross multiply
    5,637.63x = 8,457.38 × 1,938.97
  4. Step 4: Simplify right side
    5,637.63x = 16,398,614.25
  5. Step 5: Solve for x
    x = 16,398,614.25/5,637.63
  6. Step 6: Final answer
    x = 2,908.78

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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.