Home / 8,442.67-11,651.40-4,858.78

Finding the Fourth Proportional to 8,442.67, 11,651.40 and 4,858.78

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Solution

The fourth proportional to 8,442.67, 11,651.40 and 4,858.78 is: 6,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.67 : 11,651.40 = 4,858.78 : x
  2. Step 2: Convert to fraction form
    8,442.67/11,651.40 = 4,858.78/x
  3. Step 3: Cross multiply
    8,442.67x = 11,651.40 × 4,858.78
  4. Step 4: Simplify right side
    8,442.67x = 56,611,589.29
  5. Step 5: Solve for x
    x = 56,611,589.29/8,442.67
  6. Step 6: Final answer
    x = 6,705.41

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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.