Home / 4,543.45-6,811.32-1,772.05

Finding the Fourth Proportional to 4,543.45, 6,811.32 and 1,772.05

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Solution

The fourth proportional to 4,543.45, 6,811.32 and 1,772.05 is: 2,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.45 : 6,811.32 = 1,772.05 : x
  2. Step 2: Convert to fraction form
    4,543.45/6,811.32 = 1,772.05/x
  3. Step 3: Cross multiply
    4,543.45x = 6,811.32 × 1,772.05
  4. Step 4: Simplify right side
    4,543.45x = 12,069,999.61
  5. Step 5: Solve for x
    x = 12,069,999.61/4,543.45
  6. Step 6: Final answer
    x = 2,656.57

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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.