Home / 5,470.61-8,200.62-1,770.32

Finding the Fourth Proportional to 5,470.61, 8,200.62 and 1,770.32

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Solution

The fourth proportional to 5,470.61, 8,200.62 and 1,770.32 is: 2,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.61 : 8,200.62 = 1,770.32 : x
  2. Step 2: Convert to fraction form
    5,470.61/8,200.62 = 1,770.32/x
  3. Step 3: Cross multiply
    5,470.61x = 8,200.62 × 1,770.32
  4. Step 4: Simplify right side
    5,470.61x = 14,517,742.10
  5. Step 5: Solve for x
    x = 14,517,742.10/5,470.61
  6. Step 6: Final answer
    x = 2,653.77

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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.