Home / 4,498.90-6,209.30-2,821.76

Finding the Fourth Proportional to 4,498.90, 6,209.30 and 2,821.76

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Solution

The fourth proportional to 4,498.90, 6,209.30 and 2,821.76 is: 3,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.90 : 6,209.30 = 2,821.76 : x
  2. Step 2: Convert to fraction form
    4,498.90/6,209.30 = 2,821.76/x
  3. Step 3: Cross multiply
    4,498.90x = 6,209.30 × 2,821.76
  4. Step 4: Simplify right side
    4,498.90x = 17,521,154.37
  5. Step 5: Solve for x
    x = 17,521,154.37/4,498.90
  6. Step 6: Final answer
    x = 3,894.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.