Home / 4,776.76-7,170.54-2,590.84

Finding the Fourth Proportional to 4,776.76, 7,170.54 and 2,590.84

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Solution

The fourth proportional to 4,776.76, 7,170.54 and 2,590.84 is: 3,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.76 : 7,170.54 = 2,590.84 : x
  2. Step 2: Convert to fraction form
    4,776.76/7,170.54 = 2,590.84/x
  3. Step 3: Cross multiply
    4,776.76x = 7,170.54 × 2,590.84
  4. Step 4: Simplify right side
    4,776.76x = 18,577,721.85
  5. Step 5: Solve for x
    x = 18,577,721.85/4,776.76
  6. Step 6: Final answer
    x = 3,889.19

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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.