Home / 5,200.15-7,801.95-1,690.27

Finding the Fourth Proportional to 5,200.15, 7,801.95 and 1,690.27

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Solution

The fourth proportional to 5,200.15, 7,801.95 and 1,690.27 is: 2,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.15 : 7,801.95 = 1,690.27 : x
  2. Step 2: Convert to fraction form
    5,200.15/7,801.95 = 1,690.27/x
  3. Step 3: Cross multiply
    5,200.15x = 7,801.95 × 1,690.27
  4. Step 4: Simplify right side
    5,200.15x = 13,187,374.60
  5. Step 5: Solve for x
    x = 13,187,374.60/5,200.15
  6. Step 6: Final answer
    x = 2,535.96

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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.