Home / 4,431.88-6,118.93-3,421.76

Finding the Fourth Proportional to 4,431.88, 6,118.93 and 3,421.76

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Solution

The fourth proportional to 4,431.88, 6,118.93 and 3,421.76 is: 4,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.88 : 6,118.93 = 3,421.76 : x
  2. Step 2: Convert to fraction form
    4,431.88/6,118.93 = 3,421.76/x
  3. Step 3: Cross multiply
    4,431.88x = 6,118.93 × 3,421.76
  4. Step 4: Simplify right side
    4,431.88x = 20,937,509.92
  5. Step 5: Solve for x
    x = 20,937,509.92/4,431.88
  6. Step 6: Final answer
    x = 4,724.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.