Home / 4,390.24-6,587.44-2,199.20

Finding the Fourth Proportional to 4,390.24, 6,587.44 and 2,199.20

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Solution

The fourth proportional to 4,390.24, 6,587.44 and 2,199.20 is: 3,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.24 : 6,587.44 = 2,199.20 : x
  2. Step 2: Convert to fraction form
    4,390.24/6,587.44 = 2,199.20/x
  3. Step 3: Cross multiply
    4,390.24x = 6,587.44 × 2,199.20
  4. Step 4: Simplify right side
    4,390.24x = 14,487,098.05
  5. Step 5: Solve for x
    x = 14,487,098.05/4,390.24
  6. Step 6: Final answer
    x = 3,299.84

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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.