Home / 4,370.20-6,539.90-3,580.72

Finding the Fourth Proportional to 4,370.20, 6,539.90 and 3,580.72

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Solution

The fourth proportional to 4,370.20, 6,539.90 and 3,580.72 is: 5,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370.20 : 6,539.90 = 3,580.72 : x
  2. Step 2: Convert to fraction form
    4,370.20/6,539.90 = 3,580.72/x
  3. Step 3: Cross multiply
    4,370.20x = 6,539.90 × 3,580.72
  4. Step 4: Simplify right side
    4,370.20x = 23,417,550.73
  5. Step 5: Solve for x
    x = 23,417,550.73/4,370.20
  6. Step 6: Final answer
    x = 5,358.46

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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.