Home / 5,623.13-8,426.49-3,162.75

Finding the Fourth Proportional to 5,623.13, 8,426.49 and 3,162.75

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Solution

The fourth proportional to 5,623.13, 8,426.49 and 3,162.75 is: 4,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.13 : 8,426.49 = 3,162.75 : x
  2. Step 2: Convert to fraction form
    5,623.13/8,426.49 = 3,162.75/x
  3. Step 3: Cross multiply
    5,623.13x = 8,426.49 × 3,162.75
  4. Step 4: Simplify right side
    5,623.13x = 26,650,885.19
  5. Step 5: Solve for x
    x = 26,650,885.19/5,623.13
  6. Step 6: Final answer
    x = 4,739.51

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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.