Home / 5,180.28-7,770.21-2,060.16

Finding the Fourth Proportional to 5,180.28, 7,770.21 and 2,060.16

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Solution

The fourth proportional to 5,180.28, 7,770.21 and 2,060.16 is: 3,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.28 : 7,770.21 = 2,060.16 : x
  2. Step 2: Convert to fraction form
    5,180.28/7,770.21 = 2,060.16/x
  3. Step 3: Cross multiply
    5,180.28x = 7,770.21 × 2,060.16
  4. Step 4: Simplify right side
    5,180.28x = 16,007,875.83
  5. Step 5: Solve for x
    x = 16,007,875.83/5,180.28
  6. Step 6: Final answer
    x = 3,090.16

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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.