Home / 4,864.80-7,288.80-2,262.40

Finding the Fourth Proportional to 4,864.80, 7,288.80 and 2,262.40

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Solution

The fourth proportional to 4,864.80, 7,288.80 and 2,262.40 is: 3,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.80 : 7,288.80 = 2,262.40 : x
  2. Step 2: Convert to fraction form
    4,864.80/7,288.80 = 2,262.40/x
  3. Step 3: Cross multiply
    4,864.80x = 7,288.80 × 2,262.40
  4. Step 4: Simplify right side
    4,864.80x = 16,490,181.12
  5. Step 5: Solve for x
    x = 16,490,181.12/4,864.80
  6. Step 6: Final answer
    x = 3,389.69

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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.