Home / 4,178.08-6,262-2,639.52

Finding the Fourth Proportional to 4,178.08, 6,262 and 2,639.52

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Solution

The fourth proportional to 4,178.08, 6,262 and 2,639.52 is: 3,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.08 : 6,262 = 2,639.52 : x
  2. Step 2: Convert to fraction form
    4,178.08/6,262 = 2,639.52/x
  3. Step 3: Cross multiply
    4,178.08x = 6,262 × 2,639.52
  4. Step 4: Simplify right side
    4,178.08x = 16,528,674.24
  5. Step 5: Solve for x
    x = 16,528,674.24/4,178.08
  6. Step 6: Final answer
    x = 3,956.05

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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.