Home / 5,490.90-8,236.35-1,793.52

Finding the Fourth Proportional to 5,490.90, 8,236.35 and 1,793.52

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Solution

The fourth proportional to 5,490.90, 8,236.35 and 1,793.52 is: 2,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.90 : 8,236.35 = 1,793.52 : x
  2. Step 2: Convert to fraction form
    5,490.90/8,236.35 = 1,793.52/x
  3. Step 3: Cross multiply
    5,490.90x = 8,236.35 × 1,793.52
  4. Step 4: Simplify right side
    5,490.90x = 14,772,058.45
  5. Step 5: Solve for x
    x = 14,772,058.45/5,490.90
  6. Step 6: Final answer
    x = 2,690.28

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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.