Home / 5,648.16-8,471.70-3,455.76

Finding the Fourth Proportional to 5,648.16, 8,471.70 and 3,455.76

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Solution

The fourth proportional to 5,648.16, 8,471.70 and 3,455.76 is: 5,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.16 : 8,471.70 = 3,455.76 : x
  2. Step 2: Convert to fraction form
    5,648.16/8,471.70 = 3,455.76/x
  3. Step 3: Cross multiply
    5,648.16x = 8,471.70 × 3,455.76
  4. Step 4: Simplify right side
    5,648.16x = 29,276,161.99
  5. Step 5: Solve for x
    x = 29,276,161.99/5,648.16
  6. Step 6: Final answer
    x = 5,183.31

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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.