Home / 4,545.21-6,816.35-1,771.20

Finding the Fourth Proportional to 4,545.21, 6,816.35 and 1,771.20

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Solution

The fourth proportional to 4,545.21, 6,816.35 and 1,771.20 is: 2,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.21 : 6,816.35 = 1,771.20 : x
  2. Step 2: Convert to fraction form
    4,545.21/6,816.35 = 1,771.20/x
  3. Step 3: Cross multiply
    4,545.21x = 6,816.35 × 1,771.20
  4. Step 4: Simplify right side
    4,545.21x = 12,073,123.55
  5. Step 5: Solve for x
    x = 12,073,123.55/4,545.21
  6. Step 6: Final answer
    x = 2,656.23

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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.