Home / 4,442.40-6,156.42-4,379.76

Finding the Fourth Proportional to 4,442.40, 6,156.42 and 4,379.76

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Solution

The fourth proportional to 4,442.40, 6,156.42 and 4,379.76 is: 6,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.40 : 6,156.42 = 4,379.76 : x
  2. Step 2: Convert to fraction form
    4,442.40/6,156.42 = 4,379.76/x
  3. Step 3: Cross multiply
    4,442.40x = 6,156.42 × 4,379.76
  4. Step 4: Simplify right side
    4,442.40x = 26,963,642.06
  5. Step 5: Solve for x
    x = 26,963,642.06/4,442.40
  6. Step 6: Final answer
    x = 6,069.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.