Home / 4,319.45-6,478.98-1,357.82

Finding the Fourth Proportional to 4,319.45, 6,478.98 and 1,357.82

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Solution

The fourth proportional to 4,319.45, 6,478.98 and 1,357.82 is: 2,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.45 : 6,478.98 = 1,357.82 : x
  2. Step 2: Convert to fraction form
    4,319.45/6,478.98 = 1,357.82/x
  3. Step 3: Cross multiply
    4,319.45x = 6,478.98 × 1,357.82
  4. Step 4: Simplify right side
    4,319.45x = 8,797,288.62
  5. Step 5: Solve for x
    x = 8,797,288.62/4,319.45
  6. Step 6: Final answer
    x = 2,036.67

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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.