Home / 6,440.04-8,888-3,923.62

Finding the Fourth Proportional to 6,440.04, 8,888 and 3,923.62

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Solution

The fourth proportional to 6,440.04, 8,888 and 3,923.62 is: 5,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.04 : 8,888 = 3,923.62 : x
  2. Step 2: Convert to fraction form
    6,440.04/8,888 = 3,923.62/x
  3. Step 3: Cross multiply
    6,440.04x = 8,888 × 3,923.62
  4. Step 4: Simplify right side
    6,440.04x = 34,873,134.56
  5. Step 5: Solve for x
    x = 34,873,134.56/6,440.04
  6. Step 6: Final answer
    x = 5,415.05

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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.