Home / 4,288.69-6,432.06-2,178.17

Finding the Fourth Proportional to 4,288.69, 6,432.06 and 2,178.17

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Solution

The fourth proportional to 4,288.69, 6,432.06 and 2,178.17 is: 3,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.69 : 6,432.06 = 2,178.17 : x
  2. Step 2: Convert to fraction form
    4,288.69/6,432.06 = 2,178.17/x
  3. Step 3: Cross multiply
    4,288.69x = 6,432.06 × 2,178.17
  4. Step 4: Simplify right side
    4,288.69x = 14,010,125.32
  5. Step 5: Solve for x
    x = 14,010,125.32/4,288.69
  6. Step 6: Final answer
    x = 3,266.76

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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.