Home / 5,620.46-8,418.54-3,666.74

Finding the Fourth Proportional to 5,620.46, 8,418.54 and 3,666.74

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Solution

The fourth proportional to 5,620.46, 8,418.54 and 3,666.74 is: 5,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.46 : 8,418.54 = 3,666.74 : x
  2. Step 2: Convert to fraction form
    5,620.46/8,418.54 = 3,666.74/x
  3. Step 3: Cross multiply
    5,620.46x = 8,418.54 × 3,666.74
  4. Step 4: Simplify right side
    5,620.46x = 30,868,597.36
  5. Step 5: Solve for x
    x = 30,868,597.36/5,620.46
  6. Step 6: Final answer
    x = 5,492.18

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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.