Home / 4,047.20-6,056.40-2,808.80

Finding the Fourth Proportional to 4,047.20, 6,056.40 and 2,808.80

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Solution

The fourth proportional to 4,047.20, 6,056.40 and 2,808.80 is: 4,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.20 : 6,056.40 = 2,808.80 : x
  2. Step 2: Convert to fraction form
    4,047.20/6,056.40 = 2,808.80/x
  3. Step 3: Cross multiply
    4,047.20x = 6,056.40 × 2,808.80
  4. Step 4: Simplify right side
    4,047.20x = 17,011,216.32
  5. Step 5: Solve for x
    x = 17,011,216.32/4,047.20
  6. Step 6: Final answer
    x = 4,203.21

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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.