Home / 4,770.90-6,586.10-3,180.20

Finding the Fourth Proportional to 4,770.90, 6,586.10 and 3,180.20

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Solution

The fourth proportional to 4,770.90, 6,586.10 and 3,180.20 is: 4,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.90 : 6,586.10 = 3,180.20 : x
  2. Step 2: Convert to fraction form
    4,770.90/6,586.10 = 3,180.20/x
  3. Step 3: Cross multiply
    4,770.90x = 6,586.10 × 3,180.20
  4. Step 4: Simplify right side
    4,770.90x = 20,945,101.63
  5. Step 5: Solve for x
    x = 20,945,101.63/4,770.90
  6. Step 6: Final answer
    x = 4,390.18

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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.