Home / 5,623.74-8,434.98-2,158.56

Finding the Fourth Proportional to 5,623.74, 8,434.98 and 2,158.56

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Solution

The fourth proportional to 5,623.74, 8,434.98 and 2,158.56 is: 3,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.74 : 8,434.98 = 2,158.56 : x
  2. Step 2: Convert to fraction form
    5,623.74/8,434.98 = 2,158.56/x
  3. Step 3: Cross multiply
    5,623.74x = 8,434.98 × 2,158.56
  4. Step 4: Simplify right side
    5,623.74x = 18,207,410.43
  5. Step 5: Solve for x
    x = 18,207,410.43/5,623.74
  6. Step 6: Final answer
    x = 3,237.60

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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.