Home / 5,405.80-8,108.72-3,095.68

Finding the Fourth Proportional to 5,405.80, 8,108.72 and 3,095.68

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Solution

The fourth proportional to 5,405.80, 8,108.72 and 3,095.68 is: 4,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.80 : 8,108.72 = 3,095.68 : x
  2. Step 2: Convert to fraction form
    5,405.80/8,108.72 = 3,095.68/x
  3. Step 3: Cross multiply
    5,405.80x = 8,108.72 × 3,095.68
  4. Step 4: Simplify right side
    5,405.80x = 25,102,002.33
  5. Step 5: Solve for x
    x = 25,102,002.33/5,405.80
  6. Step 6: Final answer
    x = 4,643.53

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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.