Home / 7,378.48-10,179.30-4,727.44

Finding the Fourth Proportional to 7,378.48, 10,179.30 and 4,727.44

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Solution

The fourth proportional to 7,378.48, 10,179.30 and 4,727.44 is: 6,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.48 : 10,179.30 = 4,727.44 : x
  2. Step 2: Convert to fraction form
    7,378.48/10,179.30 = 4,727.44/x
  3. Step 3: Cross multiply
    7,378.48x = 10,179.30 × 4,727.44
  4. Step 4: Simplify right side
    7,378.48x = 48,122,029.99
  5. Step 5: Solve for x
    x = 48,122,029.99/7,378.48
  6. Step 6: Final answer
    x = 6,521.94

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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.