Home / 5,625.87-8,432.37-3,429.72

Finding the Fourth Proportional to 5,625.87, 8,432.37 and 3,429.72

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Solution

The fourth proportional to 5,625.87, 8,432.37 and 3,429.72 is: 5,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.87 : 8,432.37 = 3,429.72 : x
  2. Step 2: Convert to fraction form
    5,625.87/8,432.37 = 3,429.72/x
  3. Step 3: Cross multiply
    5,625.87x = 8,432.37 × 3,429.72
  4. Step 4: Simplify right side
    5,625.87x = 28,920,668.04
  5. Step 5: Solve for x
    x = 28,920,668.04/5,625.87
  6. Step 6: Final answer
    x = 5,140.66

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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.