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Finding the Fourth Proportional to 4,775.59, 6,590.20 and 2,650.99

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Solution

The fourth proportional to 4,775.59, 6,590.20 and 2,650.99 is: 3,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.59 : 6,590.20 = 2,650.99 : x
  2. Step 2: Convert to fraction form
    4,775.59/6,590.20 = 2,650.99/x
  3. Step 3: Cross multiply
    4,775.59x = 6,590.20 × 2,650.99
  4. Step 4: Simplify right side
    4,775.59x = 17,470,554.30
  5. Step 5: Solve for x
    x = 17,470,554.30/4,775.59
  6. Step 6: Final answer
    x = 3,658.31

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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.