Home / 5,558.42-7,670.45-3,319.79

Finding the Fourth Proportional to 5,558.42, 7,670.45 and 3,319.79

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Solution

The fourth proportional to 5,558.42, 7,670.45 and 3,319.79 is: 4,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.42 : 7,670.45 = 3,319.79 : x
  2. Step 2: Convert to fraction form
    5,558.42/7,670.45 = 3,319.79/x
  3. Step 3: Cross multiply
    5,558.42x = 7,670.45 × 3,319.79
  4. Step 4: Simplify right side
    5,558.42x = 25,464,234.48
  5. Step 5: Solve for x
    x = 25,464,234.48/5,558.42
  6. Step 6: Final answer
    x = 4,581.20

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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.