Home / 5,372.51-8,058.77-1,909.49

Finding the Fourth Proportional to 5,372.51, 8,058.77 and 1,909.49

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Solution

The fourth proportional to 5,372.51, 8,058.77 and 1,909.49 is: 2,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.51 : 8,058.77 = 1,909.49 : x
  2. Step 2: Convert to fraction form
    5,372.51/8,058.77 = 1,909.49/x
  3. Step 3: Cross multiply
    5,372.51x = 8,058.77 × 1,909.49
  4. Step 4: Simplify right side
    5,372.51x = 15,388,131.18
  5. Step 5: Solve for x
    x = 15,388,131.18/5,372.51
  6. Step 6: Final answer
    x = 2,864.24

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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.