Home / 4,259.36-6,390.12-2,311.04

Finding the Fourth Proportional to 4,259.36, 6,390.12 and 2,311.04

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Solution

The fourth proportional to 4,259.36, 6,390.12 and 2,311.04 is: 3,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.36 : 6,390.12 = 2,311.04 : x
  2. Step 2: Convert to fraction form
    4,259.36/6,390.12 = 2,311.04/x
  3. Step 3: Cross multiply
    4,259.36x = 6,390.12 × 2,311.04
  4. Step 4: Simplify right side
    4,259.36x = 14,767,822.92
  5. Step 5: Solve for x
    x = 14,767,822.92/4,259.36
  6. Step 6: Final answer
    x = 3,467.15

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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.