Home / 5,590.37-8,385.56-1,895.20

Finding the Fourth Proportional to 5,590.37, 8,385.56 and 1,895.20

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Solution

The fourth proportional to 5,590.37, 8,385.56 and 1,895.20 is: 2,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.37 : 8,385.56 = 1,895.20 : x
  2. Step 2: Convert to fraction form
    5,590.37/8,385.56 = 1,895.20/x
  3. Step 3: Cross multiply
    5,590.37x = 8,385.56 × 1,895.20
  4. Step 4: Simplify right side
    5,590.37x = 15,892,313.31
  5. Step 5: Solve for x
    x = 15,892,313.31/5,590.37
  6. Step 6: Final answer
    x = 2,842.80

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Similar ratio
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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.