Home / 5,623.44-8,435.28-1,727.76

Finding the Fourth Proportional to 5,623.44, 8,435.28 and 1,727.76

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Solution

The fourth proportional to 5,623.44, 8,435.28 and 1,727.76 is: 2,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.44 : 8,435.28 = 1,727.76 : x
  2. Step 2: Convert to fraction form
    5,623.44/8,435.28 = 1,727.76/x
  3. Step 3: Cross multiply
    5,623.44x = 8,435.28 × 1,727.76
  4. Step 4: Simplify right side
    5,623.44x = 14,574,139.37
  5. Step 5: Solve for x
    x = 14,574,139.37/5,623.44
  6. Step 6: Final answer
    x = 2,591.68

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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.