Home / 5,550.40-8,328.24-3,702.40

Finding the Fourth Proportional to 5,550.40, 8,328.24 and 3,702.40

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Solution

The fourth proportional to 5,550.40, 8,328.24 and 3,702.40 is: 5,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.40 : 8,328.24 = 3,702.40 : x
  2. Step 2: Convert to fraction form
    5,550.40/8,328.24 = 3,702.40/x
  3. Step 3: Cross multiply
    5,550.40x = 8,328.24 × 3,702.40
  4. Step 4: Simplify right side
    5,550.40x = 30,834,475.78
  5. Step 5: Solve for x
    x = 30,834,475.78/5,550.40
  6. Step 6: Final answer
    x = 5,555.36

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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.