Home / 5,409.52-8,103.76-3,555.05

Finding the Fourth Proportional to 5,409.52, 8,103.76 and 3,555.05

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Solution

The fourth proportional to 5,409.52, 8,103.76 and 3,555.05 is: 5,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.52 : 8,103.76 = 3,555.05 : x
  2. Step 2: Convert to fraction form
    5,409.52/8,103.76 = 3,555.05/x
  3. Step 3: Cross multiply
    5,409.52x = 8,103.76 × 3,555.05
  4. Step 4: Simplify right side
    5,409.52x = 28,809,271.99
  5. Step 5: Solve for x
    x = 28,809,271.99/5,409.52
  6. Step 6: Final answer
    x = 5,325.66

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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.