Home / 5,403.71-8,109.52-3,558.74

Finding the Fourth Proportional to 5,403.71, 8,109.52 and 3,558.74

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Solution

The fourth proportional to 5,403.71, 8,109.52 and 3,558.74 is: 5,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.71 : 8,109.52 = 3,558.74 : x
  2. Step 2: Convert to fraction form
    5,403.71/8,109.52 = 3,558.74/x
  3. Step 3: Cross multiply
    5,403.71x = 8,109.52 × 3,558.74
  4. Step 4: Simplify right side
    5,403.71x = 28,859,623.76
  5. Step 5: Solve for x
    x = 28,859,623.76/5,403.71
  6. Step 6: Final answer
    x = 5,340.70

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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.