Home / 5,520.15-8,280.63-1,624.73

Finding the Fourth Proportional to 5,520.15, 8,280.63 and 1,624.73

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Solution

The fourth proportional to 5,520.15, 8,280.63 and 1,624.73 is: 2,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.15 : 8,280.63 = 1,624.73 : x
  2. Step 2: Convert to fraction form
    5,520.15/8,280.63 = 1,624.73/x
  3. Step 3: Cross multiply
    5,520.15x = 8,280.63 × 1,624.73
  4. Step 4: Simplify right side
    5,520.15x = 13,453,787.98
  5. Step 5: Solve for x
    x = 13,453,787.98/5,520.15
  6. Step 6: Final answer
    x = 2,437.21

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Double scale
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Similar ratio
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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.