Home / 5,445.42-7,511.14-3,205.41

Finding the Fourth Proportional to 5,445.42, 7,511.14 and 3,205.41

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Solution

The fourth proportional to 5,445.42, 7,511.14 and 3,205.41 is: 4,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.42 : 7,511.14 = 3,205.41 : x
  2. Step 2: Convert to fraction form
    5,445.42/7,511.14 = 3,205.41/x
  3. Step 3: Cross multiply
    5,445.42x = 7,511.14 × 3,205.41
  4. Step 4: Simplify right side
    5,445.42x = 24,076,283.27
  5. Step 5: Solve for x
    x = 24,076,283.27/5,445.42
  6. Step 6: Final answer
    x = 4,421.38

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Half scale
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Double scale
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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.