Home / 5,521.10-8,285.70-3,671.60

Finding the Fourth Proportional to 5,521.10, 8,285.70 and 3,671.60

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Solution

The fourth proportional to 5,521.10, 8,285.70 and 3,671.60 is: 5,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.10 : 8,285.70 = 3,671.60 : x
  2. Step 2: Convert to fraction form
    5,521.10/8,285.70 = 3,671.60/x
  3. Step 3: Cross multiply
    5,521.10x = 8,285.70 × 3,671.60
  4. Step 4: Simplify right side
    5,521.10x = 30,421,776.12
  5. Step 5: Solve for x
    x = 30,421,776.12/5,521.10
  6. Step 6: Final answer
    x = 5,510.09

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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.