Home / 4,926.20-7,389.24-1,228.46

Finding the Fourth Proportional to 4,926.20, 7,389.24 and 1,228.46

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Solution

The fourth proportional to 4,926.20, 7,389.24 and 1,228.46 is: 1,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.20 : 7,389.24 = 1,228.46 : x
  2. Step 2: Convert to fraction form
    4,926.20/7,389.24 = 1,228.46/x
  3. Step 3: Cross multiply
    4,926.20x = 7,389.24 × 1,228.46
  4. Step 4: Simplify right side
    4,926.20x = 9,077,404.24
  5. Step 5: Solve for x
    x = 9,077,404.24/4,926.20
  6. Step 6: Final answer
    x = 1,842.68

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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.