Home / 7,217.34-10,818.57-2,773.80

Finding the Fourth Proportional to 7,217.34, 10,818.57 and 2,773.80

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Solution

The fourth proportional to 7,217.34, 10,818.57 and 2,773.80 is: 4,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.34 : 10,818.57 = 2,773.80 : x
  2. Step 2: Convert to fraction form
    7,217.34/10,818.57 = 2,773.80/x
  3. Step 3: Cross multiply
    7,217.34x = 10,818.57 × 2,773.80
  4. Step 4: Simplify right side
    7,217.34x = 30,008,549.47
  5. Step 5: Solve for x
    x = 30,008,549.47/7,217.34
  6. Step 6: Final answer
    x = 4,157.84

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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.