Home / 5,688.91-8,534.09-2,225.71

Finding the Fourth Proportional to 5,688.91, 8,534.09 and 2,225.71

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Solution

The fourth proportional to 5,688.91, 8,534.09 and 2,225.71 is: 3,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.91 : 8,534.09 = 2,225.71 : x
  2. Step 2: Convert to fraction form
    5,688.91/8,534.09 = 2,225.71/x
  3. Step 3: Cross multiply
    5,688.91x = 8,534.09 × 2,225.71
  4. Step 4: Simplify right side
    5,688.91x = 18,994,409.45
  5. Step 5: Solve for x
    x = 18,994,409.45/5,688.91
  6. Step 6: Final answer
    x = 3,338.85

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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.