Home / 5,426.15-8,139.83-1,727.08

Finding the Fourth Proportional to 5,426.15, 8,139.83 and 1,727.08

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Solution

The fourth proportional to 5,426.15, 8,139.83 and 1,727.08 is: 2,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.15 : 8,139.83 = 1,727.08 : x
  2. Step 2: Convert to fraction form
    5,426.15/8,139.83 = 1,727.08/x
  3. Step 3: Cross multiply
    5,426.15x = 8,139.83 × 1,727.08
  4. Step 4: Simplify right side
    5,426.15x = 14,058,088.26
  5. Step 5: Solve for x
    x = 14,058,088.26/5,426.15
  6. Step 6: Final answer
    x = 2,590.81

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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.