Home / 4,317.40-5,940.90-4,188.92

Finding the Fourth Proportional to 4,317.40, 5,940.90 and 4,188.92

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Solution

The fourth proportional to 4,317.40, 5,940.90 and 4,188.92 is: 5,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.40 : 5,940.90 = 4,188.92 : x
  2. Step 2: Convert to fraction form
    4,317.40/5,940.90 = 4,188.92/x
  3. Step 3: Cross multiply
    4,317.40x = 5,940.90 × 4,188.92
  4. Step 4: Simplify right side
    4,317.40x = 24,885,954.83
  5. Step 5: Solve for x
    x = 24,885,954.83/4,317.40
  6. Step 6: Final answer
    x = 5,764.11

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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.