Home / 4,977.66-7,464.15-2,898.21

Finding the Fourth Proportional to 4,977.66, 7,464.15 and 2,898.21

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Solution

The fourth proportional to 4,977.66, 7,464.15 and 2,898.21 is: 4,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.66 : 7,464.15 = 2,898.21 : x
  2. Step 2: Convert to fraction form
    4,977.66/7,464.15 = 2,898.21/x
  3. Step 3: Cross multiply
    4,977.66x = 7,464.15 × 2,898.21
  4. Step 4: Simplify right side
    4,977.66x = 21,632,674.17
  5. Step 5: Solve for x
    x = 21,632,674.17/4,977.66
  6. Step 6: Final answer
    x = 4,345.95

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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.