Home / 5,530.40-8,295.50-1,370.42

Finding the Fourth Proportional to 5,530.40, 8,295.50 and 1,370.42

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Solution

The fourth proportional to 5,530.40, 8,295.50 and 1,370.42 is: 2,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.40 : 8,295.50 = 1,370.42 : x
  2. Step 2: Convert to fraction form
    5,530.40/8,295.50 = 1,370.42/x
  3. Step 3: Cross multiply
    5,530.40x = 8,295.50 × 1,370.42
  4. Step 4: Simplify right side
    5,530.40x = 11,368,270.78
  5. Step 5: Solve for x
    x = 11,368,270.78/5,530.40
  6. Step 6: Final answer
    x = 2,055.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.