Home / 5,575.56-7,690.48-3,216.84

Finding the Fourth Proportional to 5,575.56, 7,690.48 and 3,216.84

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Solution

The fourth proportional to 5,575.56, 7,690.48 and 3,216.84 is: 4,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.56 : 7,690.48 = 3,216.84 : x
  2. Step 2: Convert to fraction form
    5,575.56/7,690.48 = 3,216.84/x
  3. Step 3: Cross multiply
    5,575.56x = 7,690.48 × 3,216.84
  4. Step 4: Simplify right side
    5,575.56x = 24,739,043.68
  5. Step 5: Solve for x
    x = 24,739,043.68/5,575.56
  6. Step 6: Final answer
    x = 4,437.05

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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.