Home / 4,390.12-6,588.68-2,311.35

Finding the Fourth Proportional to 4,390.12, 6,588.68 and 2,311.35

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Solution

The fourth proportional to 4,390.12, 6,588.68 and 2,311.35 is: 3,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.12 : 6,588.68 = 2,311.35 : x
  2. Step 2: Convert to fraction form
    4,390.12/6,588.68 = 2,311.35/x
  3. Step 3: Cross multiply
    4,390.12x = 6,588.68 × 2,311.35
  4. Step 4: Simplify right side
    4,390.12x = 15,228,746.32
  5. Step 5: Solve for x
    x = 15,228,746.32/4,390.12
  6. Step 6: Final answer
    x = 3,468.87

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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.