Home / 4,381.56-6,043.14-2,809.80

Finding the Fourth Proportional to 4,381.56, 6,043.14 and 2,809.80

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Solution

The fourth proportional to 4,381.56, 6,043.14 and 2,809.80 is: 3,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.56 : 6,043.14 = 2,809.80 : x
  2. Step 2: Convert to fraction form
    4,381.56/6,043.14 = 2,809.80/x
  3. Step 3: Cross multiply
    4,381.56x = 6,043.14 × 2,809.80
  4. Step 4: Simplify right side
    4,381.56x = 16,980,014.77
  5. Step 5: Solve for x
    x = 16,980,014.77/4,381.56
  6. Step 6: Final answer
    x = 3,875.34

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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.