Home / 4,380.12-6,045.92-2,983.68

Finding the Fourth Proportional to 4,380.12, 6,045.92 and 2,983.68

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Solution

The fourth proportional to 4,380.12, 6,045.92 and 2,983.68 is: 4,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.12 : 6,045.92 = 2,983.68 : x
  2. Step 2: Convert to fraction form
    4,380.12/6,045.92 = 2,983.68/x
  3. Step 3: Cross multiply
    4,380.12x = 6,045.92 × 2,983.68
  4. Step 4: Simplify right side
    4,380.12x = 18,039,090.59
  5. Step 5: Solve for x
    x = 18,039,090.59/4,380.12
  6. Step 6: Final answer
    x = 4,118.40

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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.