Home / 5,618.34-8,427.20-1,722.74

Finding the Fourth Proportional to 5,618.34, 8,427.20 and 1,722.74

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Solution

The fourth proportional to 5,618.34, 8,427.20 and 1,722.74 is: 2,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.34 : 8,427.20 = 1,722.74 : x
  2. Step 2: Convert to fraction form
    5,618.34/8,427.20 = 1,722.74/x
  3. Step 3: Cross multiply
    5,618.34x = 8,427.20 × 1,722.74
  4. Step 4: Simplify right side
    5,618.34x = 14,517,823.78
  5. Step 5: Solve for x
    x = 14,517,823.78/5,618.34
  6. Step 6: Final answer
    x = 2,584.01

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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.