Home / 5,511.21-7,602.42-3,490.93

Finding the Fourth Proportional to 5,511.21, 7,602.42 and 3,490.93

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Solution

The fourth proportional to 5,511.21, 7,602.42 and 3,490.93 is: 4,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.21 : 7,602.42 = 3,490.93 : x
  2. Step 2: Convert to fraction form
    5,511.21/7,602.42 = 3,490.93/x
  3. Step 3: Cross multiply
    5,511.21x = 7,602.42 × 3,490.93
  4. Step 4: Simplify right side
    5,511.21x = 26,539,538.64
  5. Step 5: Solve for x
    x = 26,539,538.64/5,511.21
  6. Step 6: Final answer
    x = 4,815.56

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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.