Home / 4,420.48-6,619.92-3,115.84

Finding the Fourth Proportional to 4,420.48, 6,619.92 and 3,115.84

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Solution

The fourth proportional to 4,420.48, 6,619.92 and 3,115.84 is: 4,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.48 : 6,619.92 = 3,115.84 : x
  2. Step 2: Convert to fraction form
    4,420.48/6,619.92 = 3,115.84/x
  3. Step 3: Cross multiply
    4,420.48x = 6,619.92 × 3,115.84
  4. Step 4: Simplify right side
    4,420.48x = 20,626,611.53
  5. Step 5: Solve for x
    x = 20,626,611.53/4,420.48
  6. Step 6: Final answer
    x = 4,666.15

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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.