Home / 4,545.45-6,818.49-1,771.20

Finding the Fourth Proportional to 4,545.45, 6,818.49 and 1,771.20

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Solution

The fourth proportional to 4,545.45, 6,818.49 and 1,771.20 is: 2,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.45 : 6,818.49 = 1,771.20 : x
  2. Step 2: Convert to fraction form
    4,545.45/6,818.49 = 1,771.20/x
  3. Step 3: Cross multiply
    4,545.45x = 6,818.49 × 1,771.20
  4. Step 4: Simplify right side
    4,545.45x = 12,076,909.49
  5. Step 5: Solve for x
    x = 12,076,909.49/4,545.45
  6. Step 6: Final answer
    x = 2,656.92

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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.