Home / 5,560.32-8,339.84-1,456.64

Finding the Fourth Proportional to 5,560.32, 8,339.84 and 1,456.64

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Solution

The fourth proportional to 5,560.32, 8,339.84 and 1,456.64 is: 2,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.32 : 8,339.84 = 1,456.64 : x
  2. Step 2: Convert to fraction form
    5,560.32/8,339.84 = 1,456.64/x
  3. Step 3: Cross multiply
    5,560.32x = 8,339.84 × 1,456.64
  4. Step 4: Simplify right side
    5,560.32x = 12,148,144.54
  5. Step 5: Solve for x
    x = 12,148,144.54/5,560.32
  6. Step 6: Final answer
    x = 2,184.79

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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.