Home / 4,303.15-6,435.87-3,987.91

Finding the Fourth Proportional to 4,303.15, 6,435.87 and 3,987.91

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Solution

The fourth proportional to 4,303.15, 6,435.87 and 3,987.91 is: 5,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.15 : 6,435.87 = 3,987.91 : x
  2. Step 2: Convert to fraction form
    4,303.15/6,435.87 = 3,987.91/x
  3. Step 3: Cross multiply
    4,303.15x = 6,435.87 × 3,987.91
  4. Step 4: Simplify right side
    4,303.15x = 25,665,716.89
  5. Step 5: Solve for x
    x = 25,665,716.89/4,303.15
  6. Step 6: Final answer
    x = 5,964.40

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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.