Home / 5,590.56-7,714.81-3,200.45

Finding the Fourth Proportional to 5,590.56, 7,714.81 and 3,200.45

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Solution

The fourth proportional to 5,590.56, 7,714.81 and 3,200.45 is: 4,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.56 : 7,714.81 = 3,200.45 : x
  2. Step 2: Convert to fraction form
    5,590.56/7,714.81 = 3,200.45/x
  3. Step 3: Cross multiply
    5,590.56x = 7,714.81 × 3,200.45
  4. Step 4: Simplify right side
    5,590.56x = 24,690,851.66
  5. Step 5: Solve for x
    x = 24,690,851.66/5,590.56
  6. Step 6: Final answer
    x = 4,416.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.