Home / 4,812.39-7,218.84-1,349.91

Finding the Fourth Proportional to 4,812.39, 7,218.84 and 1,349.91

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Solution

The fourth proportional to 4,812.39, 7,218.84 and 1,349.91 is: 2,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.39 : 7,218.84 = 1,349.91 : x
  2. Step 2: Convert to fraction form
    4,812.39/7,218.84 = 1,349.91/x
  3. Step 3: Cross multiply
    4,812.39x = 7,218.84 × 1,349.91
  4. Step 4: Simplify right side
    4,812.39x = 9,744,784.30
  5. Step 5: Solve for x
    x = 9,744,784.30/4,812.39
  6. Step 6: Final answer
    x = 2,024.94

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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.