Home / 4,814.13-7,225.20-4,777.68

Finding the Fourth Proportional to 4,814.13, 7,225.20 and 4,777.68

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Solution

The fourth proportional to 4,814.13, 7,225.20 and 4,777.68 is: 7,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.13 : 7,225.20 = 4,777.68 : x
  2. Step 2: Convert to fraction form
    4,814.13/7,225.20 = 4,777.68/x
  3. Step 3: Cross multiply
    4,814.13x = 7,225.20 × 4,777.68
  4. Step 4: Simplify right side
    4,814.13x = 34,519,693.54
  5. Step 5: Solve for x
    x = 34,519,693.54/4,814.13
  6. Step 6: Final answer
    x = 7,170.49

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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.