Home / 8,442.21-11,651.70-4,907.49

Finding the Fourth Proportional to 8,442.21, 11,651.70 and 4,907.49

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Solution

The fourth proportional to 8,442.21, 11,651.70 and 4,907.49 is: 6,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.21 : 11,651.70 = 4,907.49 : x
  2. Step 2: Convert to fraction form
    8,442.21/11,651.70 = 4,907.49/x
  3. Step 3: Cross multiply
    8,442.21x = 11,651.70 × 4,907.49
  4. Step 4: Simplify right side
    8,442.21x = 57,180,601.23
  5. Step 5: Solve for x
    x = 57,180,601.23/8,442.21
  6. Step 6: Final answer
    x = 6,773.18

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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.