Home / 4,742.84-7,115.33-1,456.27

Finding the Fourth Proportional to 4,742.84, 7,115.33 and 1,456.27

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Solution

The fourth proportional to 4,742.84, 7,115.33 and 1,456.27 is: 2,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.84 : 7,115.33 = 1,456.27 : x
  2. Step 2: Convert to fraction form
    4,742.84/7,115.33 = 1,456.27/x
  3. Step 3: Cross multiply
    4,742.84x = 7,115.33 × 1,456.27
  4. Step 4: Simplify right side
    4,742.84x = 10,361,841.62
  5. Step 5: Solve for x
    x = 10,361,841.62/4,742.84
  6. Step 6: Final answer
    x = 2,184.73

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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.