Home / 4,437.50-6,643.92-2,879.30

Finding the Fourth Proportional to 4,437.50, 6,643.92 and 2,879.30

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Solution

The fourth proportional to 4,437.50, 6,643.92 and 2,879.30 is: 4,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.50 : 6,643.92 = 2,879.30 : x
  2. Step 2: Convert to fraction form
    4,437.50/6,643.92 = 2,879.30/x
  3. Step 3: Cross multiply
    4,437.50x = 6,643.92 × 2,879.30
  4. Step 4: Simplify right side
    4,437.50x = 19,129,838.86
  5. Step 5: Solve for x
    x = 19,129,838.86/4,437.50
  6. Step 6: Final answer
    x = 4,310.95

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1.5x scale

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.