Home / 4,920.24-7,374.21-2,455.76

Finding the Fourth Proportional to 4,920.24, 7,374.21 and 2,455.76

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Solution

The fourth proportional to 4,920.24, 7,374.21 and 2,455.76 is: 3,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.24 : 7,374.21 = 2,455.76 : x
  2. Step 2: Convert to fraction form
    4,920.24/7,374.21 = 2,455.76/x
  3. Step 3: Cross multiply
    4,920.24x = 7,374.21 × 2,455.76
  4. Step 4: Simplify right side
    4,920.24x = 18,109,291.40
  5. Step 5: Solve for x
    x = 18,109,291.40/4,920.24
  6. Step 6: Final answer
    x = 3,680.57

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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.