Home / 5,633.40-7,773.88-3,115.48

Finding the Fourth Proportional to 5,633.40, 7,773.88 and 3,115.48

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Solution

The fourth proportional to 5,633.40, 7,773.88 and 3,115.48 is: 4,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.40 : 7,773.88 = 3,115.48 : x
  2. Step 2: Convert to fraction form
    5,633.40/7,773.88 = 3,115.48/x
  3. Step 3: Cross multiply
    5,633.40x = 7,773.88 × 3,115.48
  4. Step 4: Simplify right side
    5,633.40x = 24,219,367.66
  5. Step 5: Solve for x
    x = 24,219,367.66/5,633.40
  6. Step 6: Final answer
    x = 4,299.25

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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.