Home / 5,471.10-8,216.55-4,790.70

Finding the Fourth Proportional to 5,471.10, 8,216.55 and 4,790.70

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Solution

The fourth proportional to 5,471.10, 8,216.55 and 4,790.70 is: 7,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.10 : 8,216.55 = 4,790.70 : x
  2. Step 2: Convert to fraction form
    5,471.10/8,216.55 = 4,790.70/x
  3. Step 3: Cross multiply
    5,471.10x = 8,216.55 × 4,790.70
  4. Step 4: Simplify right side
    5,471.10x = 39,363,026.09
  5. Step 5: Solve for x
    x = 39,363,026.09/5,471.10
  6. Step 6: Final answer
    x = 7,194.72

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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.