Home / 5,716.90-8,585.91-3,422.50

Finding the Fourth Proportional to 5,716.90, 8,585.91 and 3,422.50

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Solution

The fourth proportional to 5,716.90, 8,585.91 and 3,422.50 is: 5,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.90 : 8,585.91 = 3,422.50 : x
  2. Step 2: Convert to fraction form
    5,716.90/8,585.91 = 3,422.50/x
  3. Step 3: Cross multiply
    5,716.90x = 8,585.91 × 3,422.50
  4. Step 4: Simplify right side
    5,716.90x = 29,385,276.98
  5. Step 5: Solve for x
    x = 29,385,276.98/5,716.90
  6. Step 6: Final answer
    x = 5,140.07

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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.