Home / 5,745.61-8,612.29-3,275.11

Finding the Fourth Proportional to 5,745.61, 8,612.29 and 3,275.11

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Solution

The fourth proportional to 5,745.61, 8,612.29 and 3,275.11 is: 4,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.61 : 8,612.29 = 3,275.11 : x
  2. Step 2: Convert to fraction form
    5,745.61/8,612.29 = 3,275.11/x
  3. Step 3: Cross multiply
    5,745.61x = 8,612.29 × 3,275.11
  4. Step 4: Simplify right side
    5,745.61x = 28,206,173.92
  5. Step 5: Solve for x
    x = 28,206,173.92/5,745.61
  6. Step 6: Final answer
    x = 4,909.17

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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.