Home / 4,590.19-6,330.72-2,821.15

Finding the Fourth Proportional to 4,590.19, 6,330.72 and 2,821.15

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Solution

The fourth proportional to 4,590.19, 6,330.72 and 2,821.15 is: 3,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.19 : 6,330.72 = 2,821.15 : x
  2. Step 2: Convert to fraction form
    4,590.19/6,330.72 = 2,821.15/x
  3. Step 3: Cross multiply
    4,590.19x = 6,330.72 × 2,821.15
  4. Step 4: Simplify right side
    4,590.19x = 17,859,910.73
  5. Step 5: Solve for x
    x = 17,859,910.73/4,590.19
  6. Step 6: Final answer
    x = 3,890.89

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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.