Home / 4,399.66-6,599.55-1,438.09

Finding the Fourth Proportional to 4,399.66, 6,599.55 and 1,438.09

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Solution

The fourth proportional to 4,399.66, 6,599.55 and 1,438.09 is: 2,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.66 : 6,599.55 = 1,438.09 : x
  2. Step 2: Convert to fraction form
    4,399.66/6,599.55 = 1,438.09/x
  3. Step 3: Cross multiply
    4,399.66x = 6,599.55 × 1,438.09
  4. Step 4: Simplify right side
    4,399.66x = 9,490,746.86
  5. Step 5: Solve for x
    x = 9,490,746.86/4,399.66
  6. Step 6: Final answer
    x = 2,157.15

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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.