Home / 5,631.80-8,445.56-2,253.56

Finding the Fourth Proportional to 5,631.80, 8,445.56 and 2,253.56

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Solution

The fourth proportional to 5,631.80, 8,445.56 and 2,253.56 is: 3,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.80 : 8,445.56 = 2,253.56 : x
  2. Step 2: Convert to fraction form
    5,631.80/8,445.56 = 2,253.56/x
  3. Step 3: Cross multiply
    5,631.80x = 8,445.56 × 2,253.56
  4. Step 4: Simplify right side
    5,631.80x = 19,032,576.19
  5. Step 5: Solve for x
    x = 19,032,576.19/5,631.80
  6. Step 6: Final answer
    x = 3,379.48

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1.5x scale

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.